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Metal Removal
APPENDIX I GLOSSARY-Cont. - 14020_262

Aviation Structural Mechanic E2 - How airplanes are built and how to maintain them
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APPENDIX I GLOSSARY ABO—Aviators breathing oxygen. ACM—Air-cycle machine. ACS—Air-conditioning system. ADC—Air data computer. AFC—Airframes change. AIMD—Aircraft intermediate maintenance department. ALLOY—A metal that is a mixture of two or more metals. AMBIENT—Surrounding; adjacent to; next to. For example, ambient conditions are physical conditions of the immediate area such as ambient temperature, ambient humidity, ambient pressure, etc. AN—Air Force—Navy (standard or specifica- tion). ANOXIA—A complete lack of oxygen in the blood stream. APU—Auxiliary power unit. BIT—Built in tester. BLEED AIR—Hot, high-pressure air, taken from the compressor section of a jet engine. CAD—Cartridge and cartridge-actuated devices. CAUTION—An operating procedure, prac- tice, etc., that if not strictly observed could result in damage to or destruction of equipment. CDI—Collateral duty inspector. CELSIUS—A temperature scale using 0 as the freezing point of water and 100 as the boiling point. The scale has 100 equal divisions between the 0 and 100 with each division designated a degree. A reading is usually written in an abbreviated form; e.g., 75°C. This scale was formerly known as the centigrade scale, but it was renamed in recognition of Anders Celsius, the Swedish astronomer who devised the scale. CF3Br—The chemical symbol for trifluoro- bromomethane. CNO—Chief of Naval Operations. CONTAMINANT—An impurity such as harmful foreign matter in a fluid. EI—Engineering investigation. FCDC—Flexible confined detonating cord. FLSC—Flexible linear shaped charge. GPM—gallons per minute. Hg—Mercury. IMA—Intermediate maintenance activity. IPB—Illustrated parts breakdown. JULIAN DATE—The year and numerical day of the year identified by four numeric characters. The first character indicates the year and the remaining three characters specify the day of the year. For example, 3030 indicates the 30th day of 1983. KINKED—A twist or curl, as in cable, wire, or tubing, caused by its doubling or bending upon itself. LOX—Liquid oxygen. AI-1







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