MS of two men dusting sandcasted couplings in Massey Harris Foundry. MCS of man packing sand into mould casting. Various CSs of molten metal being poured from crucible into mould on foundry floor, pouring from annealing furnace into crucible. MCS of group of male and female audience. LS of man operating lathe in machine shop. PAN left from pile of unfinished shell cases to man reaming cases with reaming tool in drill press. CS of man's hand loosening clamp on jig in drill press. CS of spindle in lathe, TILT UP to face of man, TILT DOWN to spindle. CS of drill press drilling centre out of shell casing being held in jig template. CS of man's hands adjusting automatic wheel on drill press to reaming tool reaming centre of shell casing in template.