factory
large building or complex of buildings tall smokestacks or other industrial structures conveyor belts, pipes, and other machinery large parking lots or truck docks large storage tanks railroad tracks or truck routes hazardous material signs or warnings warning lights or fences
factory which has large building or complex of buildings factory which has tall smokestacks or other industrial structures factory which has conveyor belts, pipes, and other machinery factory which has large parking lots or truck docks factory which has large storage tanks factory which has railroad tracks or truck routes factory which has hazardous material signs or warnings factory which has warning lights or fences