Power Lines
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.
Ključna riječ:
Power Lines 1944
British Council
Merton Park Studios
Power Lines Online sa Prevodom
Power Lines Ceo Film
Power Lines HD filmovi
Power Lines besplatno strimovanje
Power Lines onlinesaprevodom
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