Shots of metal work and engine production.
Various shots of men working with molten metal in iron foundry. Lots of sparks and smoke. Molten iron is poured into moulds. The casting is blasted with high pressure air. VS of drilling equipment. VS of men and women working on production line - they appear to be making car engines. VS of heavy presses stamping out shapes in sheet metal. More shots of molten metal being poured in a large foundry. Ext. of large metal production factory. Ext of other factories / industrial works.
More interior shots of foundry. Good shots of red hot metal being poured. Blocks of red hot metal are passed on rollers. The metal is pressed and rolled and cooled and reheated. The metal is being pressed out into thin cables or strands.
N.B. Item found in Unidentified Gazettes reel.