An abstraction for storage class memory is provided that hides the details of the implementation of storage class memory from a program, and provides a standard channel programming interface for performing certain actions, such as controlling movement of data between main storage and storage class memory or managing storage class memory.

The invention provides a process for the synthesis of a polycarbonate, the process comprising the step of reacting carbon dioxide with at least one epoxide in the presence of a catalyst of formula (I) and a chain transfer agent. The invention also provides a polymerization system for the copolymerization of carbon dioxide and at least one epoxide comprising a catalyst of formula (I) and a chain transfer agent, polycarbonates produced by the inventive process, a block copolymer comprising a polycarbonate produced by the inventive process, and a method of producing the block copolymer. The invention also relates to novel catalysts of formula (III).

There are provided a power transmission chain which can reduce a noise level further by eliminating unfavorable combinations from a random arrangement of combinations of pitch lengths and pin shapes and a power transmission system using the same power transmission chain. With respect to pitch length, links include two types of a link L1 which has a small pitch length and a link L2 which has a large pitch length. With respect to pin shape, pins include two types a pin P1 of which a curvature of a rolling contact surface is large and a pin P2 of which the curvature of the rolling contact surface is small. The links are arranged so that a possibility is avoided that a combination of (L2, P2) and a combination of (L2, P1) come immediately after a combination of (L1, P2) in a chain traveling direction, and that a possibility is adopted that a combination of (L1, P2) or a combination of (L1, P1) comes immediately after the combination of (L1, P2).

One embodiment may include an automotive timing chain system component (10, 12) such as a tensioner arm (10) or a chain guide (12) that, during use, bears directly or indirectly against a chain (22) of an automotive timing chain system (14). The component (10, 12) may have an elongated body (16, 116) made into a generally hollow shape by a hydroforming process. The body may have a first open free end (26, 126) and a second open free end (28, 128).

A chain cleaner capable of cleaning dirt and debris from the roller chain of a chain driven vehicle is provided. The chain cleaner is a polymer sheet. The sheet has a leading and a trailing edge, upper and lower surfaces, and a bilateral axis defining a chain line. The chain line extends from the leading to the trailing edge. A clear slot is positioned in the sheet adjacent to the trailing edge. The slot has a predetermined height and width which is at least equal to a respective height and width of the chain to be cleaned. The chain is thereby capable of biased directional travel against the lower and upper surfaces and through the slot, along the chain line when operating the chain drive of the vehicle. The chain cleaner includes an assembly for attaching the sheet to the vehicle adjacent to the leading edge.

In a transmission chain, interleaved links are articulably connected by connecting pins, each connecting pin comprising two rocker pins arranged to roll on each other. Pin holes in each of at least two overlapping link plates in each interleaved pair of link plates are shaped so that each rocker pin moves with one of the overlapping link plates and is engageable with a bend-blocking surface in the pin hole in the other of the two overlapping link plates when the two overlapping link plates are in a straight part of the chain. The engagement of the rocker pins with the bend-blocking surfaces of the pin holes prevents the links from bending backward beyond their straight condition, i.e., in an outward direction, opposite to the inward direction in which the links bend relative to each other when engaging a sprocket.

In a silent chain, rocker joint pins are composed of first and second rocker pins having mutually engaging front rolling surfaces. Each first rocker pin is fixed to pin fixing link plates of a first link, and extends through holes in other link plates of the first link. Each first pin has a back surface engaged with portions of the pin holes in the other link plates of the first link on the inner side of a pitch line, but is spaced by a gap from portions of the same pin holes on the outer side of the pitch line. The second rocker pin moves with link plates of a second link which forms a link pair with the first link, and elastically deforms the first rocker pin when the second link is flexed relative to the first link, thereby resisting flexion of the link pair and reducing impact noise.

A conveyor chain constructed so as to prevent a leakage of lubricant oil to the outside. The conveyor chain comprises a plurality of bearing elements operable to revolve in a raceway between an outer circumferential surface of a bush and an inner circumferential surface of a roller. A pair of right and left thrust bearing annular members are press-fitted onto the outer circumferential surface of the bush and are positioned between the inner side surface of an inner link plate and the outwardly-facing end surfaces of the bearing elements. Annular sealing members for sealing lubricant oil within bearing element raceway are disposed between the inner circumferential surface of the roller and an inner circumferential surface of the thrust bearing annular member. The sealing members slidably contact but are not deformed by the inner circumferential surface of the roller.

A sealing arrangement used to create a seal between a first part of a chain and a second part of the chain, wherein the second part can at least be pivoted in relation to the first part, includes a sealing ring with an annular sealing lip for sealing a lubricant area between parts which can be pivoted towards each other, and an elastic ring which is adapted to be fixed to one of the parts and which is adapted to exert pressure in the sealing ring. In addition, a supporting ring is arranged between the sealing ring and the elastic ring.

This invention is applicable to bicycle non-circular chainrings or ovoid chainrings, attachable to a drive crank arm with a spider, forming a structure with anchorage points distributed in a star like shape; the said ovoid chainring (1) having a major diameter, whose angle with the said crank arm measured in the pedaling direction defines its orientation; whereas, said ovoid chainring has a number of anchorage points to said spider which is a multiple of the number of anchorage points of the spider, constituting multiple anchorage options to this crank arm, separated in such a distance that respective orientation values differ in 3°; and for such a small variation, the proposed constructive solution is equipping the ovoid chainring with consecutive overlapped holes and respective countersinks with different depth, forming stair steps which help supporting tangential loads to the chainring.

An arrangement for supplying oil to a chain drive which drives a transmission oil pump that is axially offset relative to a torque converter and embedded in an intermediate plate in a vehicle having a torque converter. The driven sprocket of the chain drive is supported by a converter neck mounted in a centering plate. A seal is provided between the converter neck and the sprocket and is arranged adjacent the sliding fit between the converter neck and the sprocket. To compensate for the suppression of lubrication of the seal, the neck bearing and the chain drive, a valve is integrated in the intermediate plate, and a duct is provided in the plane, in which the centering plate is screwed to the intermediate plate, such that excess oil flowing from the valve is selectively directed to the seal, the neck bearing and the chain drive.

In a silent chain transmission, noise performance is improved by preventing guide plates of a silent chain from contacting sprocket teeth before the link plates of the chain contact the sprocket teeth. The silent chain transmission comprises a silent chain in engagement with a sprocket. The silent chain comprises guide rows, each having a pair of guide plates and a plurality of middle link plates, and non-guide rows, each having a plurality of inner link plates. An engagement starting point of the middle link plate with a sprocket tooth and an engagement starting point of the inner link plate with the sprocket tooth are set at positions such that the guide plate is prevented from contacting the sprocket tooth before the respective link plates start to engage the sprocket tooth when runout of the chain in the direction of its width occurs.

A chain ring protector having a substantially planar mounting bracket operably secured to the bottom bracket sleeve of a vehicle with a durable semi-circumferential guard extending therefrom is disclosed. The durable guard has a substantially arcuate outer edge sized to approximate the outer diameter of a chain ring, and it is operably secured to the planar mounting bracket such that the outer edge extends slightly beyond the outer diameter of the portion of the chain ring extending below the bottom bracket sleeve.

A chain belt-type continuously variable transmission in which ratchet-type chain belts are wound on driving and driven pulley devices, each of which has a variable diameter, in order to control the shift ratio. Driving belt supports are disposed in a driving pulley device so as to radially contract and expand. Driven belt supports are disposed in a driven pulley device so as to radially contract and expand. Teeth in the front portions of the driving belt supports and the driven belt supports and teeth in the rear portions of the driving belt supports and the driven belt supports are oriented in opposite directions. Front and rear ratchet gears formed on the driving belt supports and the front and rear ratchet gears formed on the driven belt supports are oriented in opposite directions and are arranged in alternating positions without being formed at corresponding positions in a line.

A chain cleaning and lubricating device for use with chain driven vehicles, such as motorcycles. The chain cleaning and lubricating device includes a lubrication reservoir for storing chain lubricant, a lubrication applicator, and a control lever that is attachable to the handlebars of a motorcycle. A control cable operatively connects the control lever to a control valve that is operatively situated within the lubrication reservoir. The chain cleaning and lubricating device is affixed to a sprocket housing mounted to the frame of the motorcycle. The lubrication applicator includes a plurality of bristles that extend downward from the bottom surface of the lubrication reservoir to continuously engage the rotating chain of the motorcycle to remove debris from the chain. The control lever is selectively operated to regulate the flow of chain lubricant from the lubrication reservoir to the chain of the motorcycle.

A chain-type magazine includes a box, a chain-type conveyor and a spinning unit. The box includes a port defined therein. The chain-type conveyor includes links connected to one another so that each of the links can be pivoted relative to the other links about two axes in parallel to each other. A tool can be inserted in a holder inserted in each of the links. The spinning unit includes a mounting assembly, an elevating assembly, a rotary claw assembly and a connecting rod. The mounting assembly is connected to the box. The elevating assembly is movably connected to the mounting assembly. The rotary claw assembly is rotationally connected to the mounting assembly for catching a selected one of the links. The connecting rod connects the elevating assembly to the rotary claw assembly. The driving element drives the elevating assembly to spin the rotary claw assembly.

A tool chain magazine, in particular for program-controlled milling machines and machining centers, comprising a stationary supporting structure to which linear guiding devices, chain wheels, and a drive assembly as a rotary drive for at least one of the chain wheels are mounted. The tool chain comprises an endless magazine chain consisting of a series of chain links connected in an articulate manner to one another, wherein supporting and guiding elements are provided on each chain link, and each chain link has a respective socket as a holder for a tool taper. The base bodies of the chain links of the magazine chain are formed by the tool stations centrally disposed therein, and the front and rear connecting joints of the chain links are arranged in the longitudinal center axis of the magazine chain.

There is provided a tool holding and conveying chain adapted to securely lock and position a tool pot, i.e., a connecting pin, to a pin hole of either an outer or inner link plate so that the tool pot does not to turn and to achieve steady and smooth attachment and removal of a tool in and out of the tool pot with a simple attachment structure. The tool pot has a pair of positioning flat portions formed by cutting a link plate attaching outer circumferential region of the tool pot and the outer link plate has a pair of positioning cooperative flat portions formed so as to bulge out of an inner circumference to a center of a pin hole. The positioning flat portions of the tool pot is fitted into and locked by the positioning cooperative flat portions when the tool pot is attached in the link plate.

A machine tool is provided with a chain-type bit-storing apparatus which includes a frame, two sprockets, a chain and a pivoting unit. The frame includes a cutout. The sprockets are placed in the frame. The chain is driven by the sprockets. The chain includes links each including a socket for containing a bit, two plates for supporting the socket, first and second blocks placed between the plates, first and second bearing units for rotationally supporting the first and second blocks on the plates, and a connecting unit for pivotally connecting the first block thereof to the second block of an adjacent link. The pivoting unit is used to pivot the socket of a selected one of the links to move an open end of the socket out of the frame through the cutout.

The present disclosure relates to a tool gripper chain bendable in two directions that has a chain assembly that includes: gripper blocks that each have a first tooth at the center of a curved groove; first and second gripper assemblies that have first and second gripper members rotatably mounted on the rear of gripper blocks and grip a tool; first and second outer links that are formed in an arc shape; first and second inner links that are formed in an arc shape and disposed zigzag with respect to first and second outer links between first outer link and second outer link; and first and second collars that are disposed between first inner link and second inner link, in which first gripper assembly is disposed in front of second outer link, second gripper assembly is disposed ahead of second inner ink, and a first shaft hole of first gripper assembly and second shaft hole of second gripper assembly are coaxially arranged, such that first and second gripper assemblies are coupled by a first shaft or a second shaft.

Provided is a power conversion system that includes a first transformer adapted to be connected to an AC network, the first transformer including a first primary winding and two first secondary windings, and two power converters, each being connected to a first respective secondary winding. The system further includes a second transformer and a secondary electrical device, the second transformer including a second primary winding and two second secondary windings, each second secondary winding being connected to a respective first secondary winding, and the secondary device being connected to the second primary winding.

[Problem to be Solved] The importance of sugar chains having α2,3- or α2,6-linked sialic acid at their non-reducing ends is known. Industrial production has been demanded for these sugar chain compounds. Particularly, the production of glycoprotein drugs or the like inevitably requires producing in quantity sugar chains having homogeneous structures by controlling the linking pattern (α2,6-linkage or α2,3-linkage) of sialic acid. Particularly, a triantennary or tetraantennary N-type complex sugar chain having sialic acid at each of all non-reducing ends is generally considered difficult to chemically synthesize. There has been no report disclosing that such a sugar chain was chemically synthesized. Furthermore, these sugar chains are also difficult to efficiently prepare enzymatically.[Solution]The present inventors have newly found the activity of sialyltransferase of degrading sialic acid on a reaction product in the presence of CMP and also found that formed CMP can be degraded enzymatically to thereby efficiently produce a sialic acid-containing sugar chain. The present inventors have further found that even a tetraantennary N-type sugar chain having four α2,6-linked sialic acid molecules, which has previously been difficult to synthesize, can be prepared at high yields by one-pot synthesis comprising the elongation reaction of a biantennary sugar chain used as a starting material without performing purification after each enzymatic reaction.

A chain saw hazard warning light and method for using same. A pair of oppositely-directed light sources emit light beams throughout a chain shot hazard warning zone through rectilinear, slotted openings at opposite ends of a housing. The light beams turn on, if and only if, the cutting chain is rotating about the chain guide bar; alternatively, initiation of rotation of the cutting chain is delayed to permit the light beams to turn on some time prior thereto. The zone is defined by first and second pairs of planes that diverge in opposite directions from the chain guide bar, said planes being disposed at equal, acute angles (most preferably 15°) to, and on opposite sides of, a plane that includes the chain guide bar.

The invention relates to a packaging machine, in particular a thermoformer, traysealer, comprising at least two transport chains for transporting a web of material, such as a film or the like. The packaging machine is characterized in that sensor means are provided for detecting the chain length and/or the chain pitch and/or the chain tension of the transport chains, means being provided for stretching and/or relaxing at least one individual transport chain, and control means being provided for adapting different lengths or chain pitches of two transport chains by stretching and/or relaxing at least one transport chain in a controlled manner.

An apparatuses and methods to release a chain. Apparatuses and methods include an electronic, mechanical, or electro-mechanical actuator system used to rotate a hooking arm. The actuator system includes an extendable piston. In some embodiments, the actuator system is hydraulic. In other embodiments, the actuator system is pneumatic.

The “Microcosm Terrestrial and Aquatic Landscape Habitat” is a Main Basin Pond 4 surrounded on three sides by artificial rock, “Miniature Mountains” 3 a, 3 b, 3 c or Natural Looking Imitation Rocks. The fourth, front side has no “Miniature Mountains” or Natural Looking Imitation Rocks to enclose the Main Basin Pond. Instead, here I adhere on a Pane of Glass 2 a to the imitation rock surface using Silicon Sealant 2 b or other sealants 2 c: A pond-aquarium hybrid! The “Miniature Mountains” are higher than the water level in the Main Basin Pond. On the top or sides of the “Miniature Mountains” is an Upper Pool 5. Water in the Main Basin Pond is circulated up to the Upper Pool using a Submersible; Electric, Aquatic, Pump 8. From the Upper Pool, the Water then flows down a Water Course to the Waterfalls and back to the Main Basin Pond to oxygenate the water.

Embodiments herein provide a drive link having a conditioning portion to be used in conjunction with one or more dresser links of a saw chain to condition a sharpening element. The dresser links may include left and right dresser links configured to contact the sharpening element in first and second contact regions which may not overlap, leaving a gap. The conditioning portion of the drive link may contact the sharpening element in a third contact region that includes at least a portion of the gap between the first and second contact regions.

Embodiments herein provide a modified pitch sprocket to provide an orientation of a saw chain link, such as a cutter link or drive link, with respect to the direction of travel of the link, as it traverses the sprocket that is different than the orientation of the link as it traverses a straight portion of the guide bar. In some embodiments, the modified pitch sprocket may orient the cutter link to provide radial extension for a depth gauge of the cutter link relative to a cutting element of the cutter link. This may facilitate shaping of the depth gauge and/or cutting element, such as by a sharpening element, as the cutter link traverses the sprocket.

One embodiment (100) collects air pressure created from forward motion of a motorcycle (300) in a reservoir assembly (1001) which stores a liquid lubricant, is attached to motorcycle frame (302), and comprises a containment chamber (102), cap (106), cap seal (104), air inlet port (107), lubricant outlet port (109), and an air inlet connector (108) and a lubricant outlet connector (110) to facilitate the external attachment of conduit. The air pressure is collected by and delivered to reservoir assembly (100-1) via an air collection conduit (118) attached to motorcycle front portion (306) by a mount (130) and urges liquid lubricant through a suction conduit (124), flow restrictor (112) and delivers lubricant via discharge conduit (114) to a chain applicator (116) attached to a motorcycle swing arm assembly (304) and to the inner circumference of drive chain (310). Lubricant flow ceases after motorcycle is stopped. Other embodiments are described and shown.

The invention meets the needs above by providing a surfactant system, mixture or blend that can be used as a part of a soaking composition. The surfactant system is capable of forming emulsions with, and thus removing, oily and greasy stains. In a preferred embodiment the surfactant compositions of the invention can remove non-trans fat and fatty acid stains. The invention involves foaming soaking compositions that have some or part of the anionic surfactant present in the same replaced with an extended chain anionic surfactant.

A hand-operated implement has a guide bar on which is fitted a cutting chain for cutting mineral and metal materials. The cutting chain is driven around the guide bar by a chain sprocket. The chain sprocket is arranged in a chain sprocket chamber which is delimited by a chain sprocket cover. A cutting element has an outer side facing a sidewall of the chain sprocket cover which lies in a first notional plane. The distance between the sidewall and the first notional plane measured perpendicular to the first notional plane and centrally between the top of the cutting element and the peripheral wall is less than approximately 0.8 cm over at least 30% of the section between a second notional plane containing the central axis of a fixing bolt on the guide bar and the exit opening at which the cutting chain leaves the chain sprocket chamber.

A chain bar unit for a wall saw is presented herein. The chain bar unit can include a bar configured to receive a circulating chain or wire around a perimeter of the bar. The chain bar unit also can include a driving gear for driving the chain or wire around the bar, the driving gear configured to be coupled to an output shaft of the wall saw. The chain bar unit further includes the bar being tapered from an end proximate to the driving gear to a distal end having a distal end radius, wherein a width of the bar at the proximate end, is at least two times the distal end radius of the distal end.

A cutting chain for a hand-operated implement for cutting metal and mineral materials such as a stone cutter has central connecting links which are connected to one another by lateral connecting links. The central connecting links comprise first central connecting links which each have a drive tooth. The cutting chain has two central connecting links with drive teeth shaped differently to the drive teeth on the first central connecting links; or located a different distance from the leading drive teeth; or having no drive teeth. A hand-operated implement for cutting mineral materials has a drive motor which drives the cutting chain around a guide bar by a drive sprocket. The cutting chain is guided round part of the circumference of the drive sprocket and round a nose sprocket on the guide bar. The drive sprocket or nose sprocket have different first and second areas matched to the cutting chain.

The present invention concerns modified recombinant J-chain polypeptides, binding molecules, such as antibodies, comprising the same, and their uses.

Embodiments provide various components of a chain saw, including saw chain elements, sprockets, and other fixtures, that may facilitate sharpening of cutter links during operation. In various embodiments, the components may increase stability during sharpening, provide nose mounted sharpening fixtures, and/or facilitate the resizing and/or reshaping of a sharpening element.

A chain sharpening device arranged to sharpen a saw chain. The device comprises a housing (110), arranged to be detachably mounted on the guide bar (3), a sharpening element (140) selectively displaceable relative to the housing between a resting state and a sharpening state, an actuator (150), selectively displaceable between an inactivated state and an activated state, which actuator is connected to the sharpening element and arranged to selectively bring the sharpening element from the resting state to the sharpening state, a first biasing member (160) operatively connected to the actuator and arranged to bias the actuator towards its inactivated state, a second biasing member (170), operatively connected to the sharpening element and arranged to enable relative movement between the actuator and the sharpening element when the sharpening element is in the sharpening state, so as to delimit a force with which the sharpening element (140) can be pressed towards the saw chain.

A chain for rolling elements includes a carrier belt having first and second side strip on two sides thereof, and multiple holes are defined in the carrier belt and located between the first and second side strips. Each hole has a first opening end and a second opening end. Multiple retainers are connected to the carrier belt and located alternatively with respect to the holes. Multiple first ribs are connected between the first side strip and the retainer. Multiple second ribs are connected between the second side strip and the retainer. Each of the first and second side strips has a thickness T1, and each of the first and second ribs has a thickness T2 which is smaller than T1. The first and second ribs reinforce connections between the first and second side strips and the retainers so that the chain has even flexibility and can operate smoothly.

A chain link of a conveying chain, containing a base body with a first end region which comprises a first coupling section for the articulated connection to a coupling section of a first adjacent chain link, and with a second end region which comprises a second coupling section for the articulated connection to a coupling section of a second adjacent chain link. The base body comprises an intermediate region lying between the two end regions and includes a body section with bending-elastic characteristics, which is designed such that the first end region is elastically bendable relative to the second end region out of the longitudinal direction of the base body.

An egg chain gripper actuating device for use with an egg transfer device. The device has an egg conveyor with parallel egg chains movable in a transport direction, each chain supporting egg grippers, which can be individually actuated. The device further comprises an egg receiving unit with a receiving area for receiving eggs released by the egg grippers, and one group of one or more actuators for each egg chain for selectively actuating passing egg grippers. Multiple support frames are provided, each supporting one or more groups of actuators. At least one frame is adjustable parallel to the transport direction and relative to another frame, such that the position of the actuators of the one or more groups supported by the frame can be adjusted relative to the position of the one of more actuators of the one or more groups supported by the other frame.

The invention relates to an autonomous system for determining items of information representative of the movement of an articulated chain (CA—1, CA—2, CA—3) comprising at least two solid elements (ES1—1, ES2—1, ES1—2, ES2—2, ES3—2, ES1—3, ES2—3, ES3—3, ES4—3) and at least one articulation (ART1—1, ART1—2, ART2—2, ART1—3, ART2—3, ART3—3) connecting said two elements. The system comprises at least two devices (DISP1—1, DISP2—1, DISP1—2, DISP2—2, DISP3—2, DISP1—3, DISP2—3, DISP3—3, DISP4—3) for measuring inter-device distances, mounted fixedly on two distinct elements of said articulated chain and suitable for transmitting the measurements made. Moreover, the system comprises means for determining at least one distance separating two measuring devices based on at least one measurement supplied by a measuring device, and calculation means (CALC), mounted on said articulated chain, suitable for calculating items of information representative of the movement of said articulated chain based on the measurements transmitted by said devices for measuring inter-device distances.

Drum pedal assemblies are disclosed which can include one or more adjustment features. Adjustment features which can be included in embodiments of the invention can include spring tension adjustment features, pedal incline adjustment features, lever length adjustment features, beater stem angle adjustment features, chain path adjustment features, operable chain length adjustment features, and chain connection point position adjustment features.

The nation’s meat supply was declared ‘critical infrastructure’ by the White House Tuesday. The order detailed that ‘the closure of a single large beef processing facility can result in the loss of over 10 million individual servings of beef in a single day.’

The new movie will mark an onscreen reunion between Dwayne Johnson and the 'Edge of Tomorrow' actress following their film 'Jungle Cruise' which is delayed due to Covid-19 crisis.

The new movie will mark an onscreen reunion between Dwayne Johnson and the 'Edge of Tomorrow' actress following their film 'Jungle Cruise' which is delayed due to Covid-19 crisis.

The benefits of short food chains and local produce were the focus of an event on Wednesday 3 July organised by Coventry University’s Centre for Agroecology and Food Security

Companies need to come up with strategies to keep the lights on, both by keeping control on the cash burn as well as generating revenue in these difficult times.

Audio Plugin Deals has published an article that breaks down the two fundamental uses of side chain processing. Side chain is both music production and mixing stages is a useful tool. It can be used for a stylistic purpose such as pumping the bass and add new rhythmic elements to a section or all of […]

The post APD Blog: The Art of Sidechain in Music Production appeared first on rekkerd.org.

Issue #60 Summer 2018 ISSN: 2037-108X

The new Neural issue (co-edited with Rachel O’Dwyer) is hot from the press.

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“There are supply issues for several brands. There is no clarity when the situation will normalise,” said Nilesh Gupta, director at Vijay Sales, a leading electronics retailer in Mumbai and New Delhi. “If it doesn’t get corrected fast, we may move into a stock-out situation from next month.”

At Myntra, Kamal was heading different verticals including logistics, operations excellence and the training function, where he built the in-house logistics team and scaled it to include more than 3500 people, spread across 80 plus towns and delivering over 100,000 packets a day.