furnace annealing
71Alloy — This article is about the type of material. For the specification language, see Alloy (specification language). For lightweight auto wheels, see alloy wheel. Steel is a metal alloy whose major component is iron, with carbon content between 0.02%… …
72Damascus steel — For Damascus Twist barrels, see Skelp. For the album of the same name, see Damascus Steel (album). Close up of a 16th century Iranian crucible forged Damascus steel sword Damascus steel was a term used by several Western cultures from the… …
73Forge — For the process of shaping metal by localized compressive forces, see Forging. For other uses, see Forge (disambiguation). A blacksmith s coal forge …
74Glass — This article is about the material. For other uses, see Glass (disambiguation). Moldavite, a natural glass formed by meteorite impact, from Besednice, Bohemia …
75Atmospheric reentry — refers to the movement of human made or natural objects as they enter the atmosphere of a planet from outer space, in the case of Earth from an altitude above the edge of space. This article primarily addresses the process of controlled reentry… …
76Boric acid — Boric acid …
77Forging — This article is about the metalworking process. For specific hot forging hearth, see forge. For the act of counterfeiting, see forgery. Hot metal ingot being loaded into a hammer forge Forging is a manufacturing process involving the shaping of… …
78Westinghouse Electric (1886) — Infobox Defunct Company company name = Westinghouse Electric Corporation company fate = Sold successor = Viacom, Inc. (after 1997 renaming to CBS Corporation) foundation = as Westinghouse Electric Manufacturing Company (1886) in Pittsburgh,… …
79Die making — is the process of creating a tool for the manufacturing of precisely shaped objects from a stock of workable material. Dies are typically made from steel, and are applied to a medium under pressure to cut out parts that are used in finished… …
80Boron trioxide — Other …
