MS of worker operating machine filling bag, FOLLOW SHOT of filled Alcan brucite bag being carried to pile. MS of woman coming out door to back porch of house, taking clothes off line, discovering rust. TILT DOWN cog and flywheels of grinder. Shot of molten salt in furnace, alloying metal (magnsium or zinc) being added, graphite anode being lowered with tongs. MS of man entering building, TILT UP to "Department of Mines and Resources - Fuel Research Laboratories" over door. Shot of rain falling on plaque. CU of X-Ray plate of circular pulley casting, hand pointing to weaknesses. MS of technician testing network of laboratory glass tubing for defects. Shot of technician adjusting testing machine, PAN to chart recording strain and fatigue. Shot of men and women leaving building towards camera after work.