two worker ship washing in floating dock.

air aparatus biochemical boat breath breathing cargo chemical chemist chemistry clean cleaning clothing column commercial construction danger dangerous deck decontaminate dock dry filter floating gas hazardous horizontal industrial industry inhaling jod level manual mask men nautical outdoors painter painting passenger person physical pollution pressure protect protection protective repairing restoring rusty safety ship shipbuilder shipequipment shipyard special spray steel suit surface tank tanker toxic transportation two vapor vessel warning washing water wear work worker working workwear