CS of molten metal being poured from foundry laddle into mould, PAN to worker putting moulds on floor. MS of man removing metal casting shell from housing, inspecting it. CUs of chart of strain recorder apparatus, of dial of Rockwell hardness tester, of pressure meter of tester. MS of man dumping die in bin, other man releasing casting with tongs. MS of group of men at work around extrusion press in foundry. MS of gas fired magnesium furnace, DOLLY IN to CU of various ingredients added to molten metal in crucible.