Spanner
A spanner is a tool used to provide grip and mechanical advantage in applying torque to turn objects, usually rotary fasteners, such as nuts and bolts. In maritime context, spanners are commonly used in the maintenance and repair of ships and boats. They come in various sizes and shapes, including open-end, box-end, and adjustable spanners. Spanners are essential tools for tightening and loosening nuts and bolts in the engine room, deck machinery, and other parts of the vessel. They are made of different materials, such as steel, chrome vanadium, and titanium, depending on the application and the level of corrosion resistance required.
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