HALSs of workers leaving plant, going to their cars, driving away, plant and modern farm buildings in background. MS of steel-helmetted steam fitters, fitting angle pipe to filter in plant. Profile MS of workmen in line-up outside plant, wearing winter clothes, no snow visible. LS of partially constructed steel framed building, cement forms in foreground. TILT UP to giant four storey building partly constructed. Shots of workers leaving work, walking towards their cars, moving off lot.