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2. Rail fastening system - Wikipedia

   en.wikipedia.org/wiki/Rail_fastening_system

   Rail anchor in use. Rail anchors, also called anticreepers, are spring steel clips that attach to the underside of the rail baseplate and bear against the sides of the sleepers to prevent longitudinal movement of the rail, either from changes in temperature or through vibration. Anchors may be attached and removed either by hand with hammers ...

3. Pontoon bridge - Wikipedia

   en.wikipedia.org/wiki/Pontoon_bridge

   A pontoon bridge is a collection of specialized, shallow draft boats or floats, connected together to cross a river or canal, with a track or deck attached on top. The water buoyancy supports the boats, limiting the maximum load to the total and point buoyancy of the pontoons or boats. [ 2 ]

4. Pontoon boat - Wikipedia

   en.wikipedia.org/wiki/Pontoon_boat

   A pleasure boat with two lengthwise pontoons. A pontoon boat is a flattish boat that relies on floats to remain buoyant. These pontoons (also called tubes) contain much reserve buoyancy and allow designers to create large deck plans fitted with a variety of accommodations including expansive lounge areas, stand-up bars, and sun pads.

5. Floating dock (jetty) - Wikipedia

   en.wikipedia.org/wiki/Floating_dock_(jetty)

   A Braby pontoon constructed at Evans Bay in Wellington, New Zealand in 1951 consisted of 124 large square steel tanks connected together and ballasted with water and oil. [9] The pontoon was U-shaped, 110 feet (34 m) long and 74 feet (23 m) wide. Flying boats were winched tail-first into the U so that passengers could step onto the pontoon dock ...

6. Mooring - Wikipedia

   en.wikipedia.org/wiki/Mooring

   Mooring involves (a) beaching the boat, (b) drawing in the mooring point on the line (where the marker buoy is located), (c) attaching to the mooring line to the boat, and (d) then pulling the boat out and away from the beach so that it can be accessed at all tides.

7. Anchor windlass - Wikipedia

   en.wikipedia.org/wiki/Anchor_windlass

   The combined port anchor windlass and winch of the modern ferry Stena Britannica. The hydraulically operated brake and pawl allows the anchor to be dropped from the ship's bridge. [citation needed] A windlass is a machine used on ships that is used to let-out and heave-up equipment such as a ship's anchor or a fishing trawl. On some ships, it ...