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HAMS of aluminum sheet sliding out press on roller conveyor. MS of man opening valve, TILT DOWN to liquid pouring into vat. MLS of spilways at Shipshaw power dam. MS of water pouring through control gates of dam. MS of jaws of hydraulic vice taking ingot from furnace, moving it to trip hammer. Shots of extruded aluminum coming out press. Sequence on aluminum sheets being crimped in crimper. Shots of aluminum sheet passing through rollers. Shot of men working on kitchen cupboards. Shots of women packing side-walls of prefabricated houses, men working on side-walls suspended on pulleys.