the industrial lamp on the ship is used to prevent collisions at night and in poor visibility around the ship's deck

spotlight night bulb light structure maritime famous adventure training mooring world tour italy sailing cruise navy navigation italian port amerigo vespucci boat historical harbor objects military dock armor naval travel shipboard cover industrial doorway engineering security escape instruction maintenance vessels sea ocean ship vessel equipment background steel construction technology nautical industry transportation lamp used prevent collisions poor visibility ship#39aph39#s deck deck