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CIRCA 1940s - Rust proofing vehicles is discussed in this 1941 film about chemicals.
CIRCA 1940s - The army recruits college students studying mechanical engineering to work on things needed by the military during World War II
1940s - U.S. colleges and universities retool to assist war effort featuring officer training, aircraft design and ordinance engineering.
CIRCA 1952 - Pakistan, Great Britain, and Haiti are highlighted as examples of differences in UN countries.
CIRCA 1971 - Chimneys from energy plants and the exhaust from airplanes causes significant air pollution.
JAPAN 1940s: Montage of views of factories, steel mills.
Isaac Asimov comments on how space exploration allows us to understand humanity and the earth. (1970s)

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1940s - Rust proofing vehicles is discussed in this 1941 film about chemicals.

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