Comalco alumina plant; TRAVELLING SHOT past maze of pipes and towers (0:49). CSs of worker scooping up a handfull of alumina passing before him on conveyor (0:23). Series of shots of large stockpile of bauxite, shots of alumina plant, HASs of bulldozer moving bauxite on pile, ELSs of ore freighter docking to loading dock, ELS of ore hopper train heading towards plant (2:36).