cold pressure welding

  • 121Expansion chamber — An Expansion chamber is an exhaust system used on a two stroke cycle engine to enhance its power output by improving its volumetric efficiency. It makes use of the energy left in the burnt exhaust exiting the cylinder to aid the filling of the… …

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  • 122Dust collector — Two rooftop dust collectors in Pristina, Kosovo A dust collector is a system used to enhance the quality of air released from industrial and commercial processes by collecting dust and other impurities from air or gas. Designed to handle heavy… …

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  • 123Soviet submarine K-19 — This article is about the Soviet submarine K 19. For the 2002 film dramatization of events involving the submarine, see K 19: The Widowmaker. For other uses, see K 19 (disambiguation). Not to be confused with Soviet submarine K 219. Career (USSR) …

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  • 124Breathing gas — is a mixture of gaseous chemical elements and compounds used for respiration. Air is the most common and only natural breathing gas. Other artificial gases, either pure gases or mixtures of gases, are used in breathing equipment and enclosed… …

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  • 125Polyoxymethylene plastic — Polyoxymethylene (POM), in the USA also commonly known under DuPont s brand name Delrin, is an engineering plastic, a polymer with the chemical formula ( O CH2 )n . It is often marketed and used as a metal substitute. Delrin is a lightweight, low …

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  • 126SR West Country and Battle of Britain Classes — Infobox Locomotive powertype=Steam name = SR Un rebuilt West Country/Battle of Britain Classes Herring, pp. 160 ndash;161] caption = Un rebuilt West Country Class 21C123 Blackmoor Vale , as preserved, in Southern Railway Malachite Green and… …

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  • 127Natural gas storage — Natural gas, like many other commodities, can be stored for an indefinite period of time in natural gas storage facilities for later consumption. Contents 1 Usage 2 Measures and definitions 3 Types 3.1 …

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  • 128Corrugated box design — High graphics overlap box: die cut for plastic handle and locking tabs Corrugated box design is the process of matching design factors for corrugated fiberboard boxes with the functional physical, processing and end use requirements. Packaging… …

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