close-up of a worn boat propeller

39aph39 age art artistic blades boat boating bronze bronze-colored brown carving close-up coastal design detail drawing elements engineering equipment essential essentials exposure functional furniture gear giving highlights hull indicating industrial industry iron life light lighting maintenance marine mechanics metal monument mounted movement oxidation painting propeller propulsion repair rusted s scene screw sculpture ship shipyard shows soft spots statue surface temple texture three transport vessel wall watercraft wear weathered wood worn