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2. Fishplate - Wikipedia

   en.wikipedia.org/wiki/Fishplate

   A fishplate joins two lengths of track. A fishplate, splice bar or joint bar is a metal connecting plate used to bolt the ends of two rails into a continuous track. The name is derived from fish, [1] a wooden reinforcement of a "built-up" ship's mast that helped round out its desired profile. [2] The top and bottom faces taper inwards along ...

3. Strake - Wikipedia

   en.wikipedia.org/wiki/Strake

   Strake. A clinker-built Viking longship, whose overlapping planks constitute "strakes". On a vessel's hull, a strake is a longitudinal course of planking or plating which runs from the boat's stempost (at the bows) to the sternpost or transom (at the rear). The garboard strakes are the two immediately adjacent to the keel on each side.

4. Boat building - Wikipedia

   en.wikipedia.org/wiki/Boat_building

   Aluminum and aluminum alloys are used both in sheet form for all-metal hulls or for isolated structural members. Many sailing spars are frequently made of aluminium after 1960. It is the lightest material for building large boats (being 15–20% lighter than polyester and 30% lighter than steel).

5. Butterworth cover - Wikipedia

   en.wikipedia.org/wiki/Butterworth_Cover

   A Butterworth cover (also Butterworth hatch and Butterworth plate) is a hatch on the deck of a cargo vessel that is used to seal a small opening that admits to the space below. [1][2] In oil tankers and other marine vessels used for transporting fluid products, there are small service openings though the deck into each tank to allow access for ...

6. Ship's wheel - Wikipedia

   en.wikipedia.org/wiki/Ship's_wheel

   Iconic image of a helmsman at a ship's wheel: the Gloucester Fisherman's Memorial. A ship's wheel or boat's wheel is a device used aboard a water vessel or airship, in which a helmsman steers the vessel and control its course. Together with the rest of the steering mechanism, it forms part of the helm (the term helm can mean the wheel alone, or ...

7. Deck (ship) - Wikipedia

   en.wikipedia.org/wiki/Deck_(ship)

   As is typical for a late-19th-century vessel, several deckhouses may be seen. A deck is a permanent covering over a compartment or a hull [1] of a ship. On a boat or ship, the primary or upper deck is the horizontal structure that forms the "roof" of the hull, strengthening it and serving as the primary working surface.