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CIRCA 1930s - A chemical plant produces ammonia for industries, in Belle, West Virginia, in 1936.
CIRCA 1950s - Helicopter pilots are trained at Ft. Rucker, Alabama in the 1950?s. Detailed analysis of flight.
Usa - 1951 - glass blocks are manufactured on the production floor of the pittsburgh corning corporation in port allegany.
USA - 1923 - In this adventure film, a man shovels coal into the boiler of a steam engine.
Usa - 1950s - a team of scientists conduct research for the pharmaceutical company, particularly for a compound to replace cortisone, at a laboratory in bloomfield, new jersey.
CIRCA 1940s - A Japanese submarine crew fire a torpedo and hit their target, World War II
CIRCA 1958 - An astronaut tests out his space suit's capabilities in an altitude chamber at the Wright Air Development Center.

1045552816

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1053969800

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ஸ்டாக் வீடியோ ID: 1053969800

CIRCA 1930s - A chemical plant produces ammonia for industries, in Belle, West Virginia, in 1936.

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