occupational maximum allowable

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• ultrasonics — /ul treuh son iks/, n. (used with a sing. v.) the branch of science that deals with the effects of sound waves above human perception. [1930 35; see ULTRASONIC, ICS] * * * Vibrational or stress waves in elastic media that have a frequency above… …   Universalium

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• environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

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• G.I. Bill — The G.I. Bill (officially titled Servicemen s Readjustment Act of 1944, P.L. 78 346, 58 Stat. 284m) was an omnibus bill that provided college or vocational education for returning World War II veterans (commonly referred to as G.I.s) as well as… …   Wikipedia