cold working pressure
51Scott 2.2/ 3.5/ 4.5 Air-Pak SCBA — The Scott Air Pak SCBA is an open circuit, self contained breathing apparatus designed to meet the National Fire Protection Association (NFPA)Standard 1981. All components, excluding the air cylinder, have been designed and manufactured by Scott… …
52Knox class frigate — USS Robert E. Peary (FF 1073) and the skyline of San Francisco in the background Class overview Builders …
53platinum group — ▪ chemical element group Introduction six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and …
54Laser peening — is the process of hardening or peening metal using a powerful laser. Laser peening can impart a layer of residual compressive stress on a surface that is four times deeper than that attainable from conventional shot peening treatments. [cite web… …
55radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
56Black Manta — For the black project spyplane, see TR 3A Black Manta Black Manta Black Manta Art by David Finch Publication information …
57Expandable tubular technology — is a system for increasing the diameter of the casing or liner of an oil well by up to 20% after it has been run down hole.ChallengesTwo challenges facing the Oil Gas industry are accessing new reservoirs that currently cannot be reached… …
58Fine blanking — is a fully automated precision metalworking process. It is a form of precision metal stamping in which extremely tight tolerances can be held, and usually additional machining steps can be avoided post production. Materials that can be fine… …
59aluminum bronze — any of several alloys containing a high percentage of copper with from 5 to 11 percent aluminum and varying amounts of iron, nickel, manganese, and other elements. Also called albronze. [1870 80] * * * ▪ alloy any of a group of strong,… …
60Air gas — Gas Gas (g[a^]s), n.; pl. {Gases} (g[a^]s [e^]z). [Invented by the chemist Van Helmont of Brussels, who died in 1644.] 1. An a[ e]riform fluid; a term used at first by chemists as synonymous with air, but since restricted to fluids supposed to be …
