Power Lines

Power Lines

Power Lines


(6 a partir de 35 comercial)

0h 16m 1944 HD

Assistir power lines Assistir PobreTV. The manufacture of cables for transmitting electric power is shown. Copper bars are rolled and drawn into wire, which is twisted into strands, and covered for insulation and protection with layers of rubber, lead, cloth and paper. The completed cables are then given high-voltage tests before being dispatched from the factory.

Power Lines (1944)
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