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A dutchman, or in some uses graving piece, is a matching piece of good material used to replace a relatively small damaged area that has been cut out of a larger item, to avoid having to replace the entire item; or, any of various techniques for accomplishing such a repair.
The belt armor (A) is on the exterior, at the waterline. Also indicated is the main deck (B), the sloping deck armor (C), and the torpedo bulkhead (D). Belt armor is a layer of heavy metal armor plated onto or within the outer hulls of warships , typically on battleships , battlecruisers and cruisers , and aircraft carriers .
A marlinspike (/ ˈ m ɑːr l ɪ n s p aɪ k /, sometimes spelled marlin spike, marlinespike, or [archaic] marlingspike) is a tool used in marine ropework. Shaped in the form of a narrow metal cone tapered to a rounded or flattened point, it is used in tasks such as unlaying rope for splicing , untying knots , drawing tight using a marlinspike ...
Family of Improved Load Bearing Equipment (FILBE) is a series of equipment used by the United States Marine Corps for personal load carrying. It comprises the backpack and various attachments carried by an individual Marine in the field.
Waterline of a ship. The mark above the waterline indicates the Plimsoll line. The waterline is the line where the hull of a ship meets the surface of the water.. A waterline can also refer to any line on a ship's hull that is parallel to the water's surface when the ship is afloat in a level trimmed position.
The L. S. Starrett Company is an American manufacturer of tools and instruments used by machinists, tool and die makers, and the construction industry. The company was founded by businessman and inventor Laroy Sunderland Starrett in 1880. The company patented such items as the sliding combination square, bench vises, and a shoe hook fastener.
Below the belt, the armor generally tapered away, to reduce overall weight. This, however, makes a ship vulnerable to hits below the waterline from torpedoes and the occasional large-calibre shell. Extending the belt downwards is impractical, since this increases displacement and draft, reducing speed and seaworthiness.
In sailing and boating, a vessel's freeboard is the distance from the waterline to the upper deck level, measured at the lowest point of sheer where water can enter the boat or ship. [1] In commercial vessels, the latter criterion measured relative to the ship's load line, regardless of deck arrangements, is the mandated and regulated meaning. [2]