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  2. Fender (boating) - Wikipedia

    en.wikipedia.org/wiki/Fender_(boating)

    In boating, a fender is an air-filled ball or a device in other shape and material used to absorb the kinetic energy of a boat or vessel berthing against a jetty, quay wall or other vessel. [1] Fenders, used on all types of vessels, from cargo ships to cruise ships, ferries and personal yachts, prevent

  3. Lock (water navigation) - Wikipedia

    en.wikipedia.org/wiki/Lock_(water_navigation)

    The boat enters the lock. 8–9. The boat enters the lock. 3. The lower gates are closed. 10. The upper gates are closed. 4–5. The lock is filled with water from upstream. 11–12. The lock is emptied by draining its water downstream. 6. The upper gates are opened. 13. The lower gates are opened. 7. The boat exits the lock. 14. The boat exits ...

  4. Bridge protection systems - Wikipedia

    en.wikipedia.org/wiki/Bridge_protection_systems

    Pile-supported fender system on the James P. Houlihan Memorial Bridge. Fender systems attached to the pier with the goal to absorb the vessel impact. Their ability to withstand a typical ship collision is low. Fenders are built using a variety of materials: [8] thin-walled concrete box; thin-walled steel membrane steel; rubber.

  5. Panama Canal locks - Wikipedia

    en.wikipedia.org/wiki/Panama_Canal_locks

    The Panama Canal locks (Spanish: Esclusas del Canal de Panamá) are a lock system that lifts ships up 85 feet (26 metres) to the main elevation of the Panama Canal and lowers them down again. The original canal had a total of six steps (three up, three down) for a ship's passage.

  6. Boat lift - Wikipedia

    en.wikipedia.org/wiki/Boat_lift

    A boat lift, ship lift, or lift lock is a machine for transporting boats between water at two different elevations, and is an alternative to the canal lock. It may be vertically moving, like the Anderton boat lift in England , rotational, like the Falkirk Wheel in Scotland , or operate on an inclined plane , like the Ronquières inclined plane ...

  7. Kirkfield Lift Lock - Wikipedia

    en.wikipedia.org/wiki/Kirkfield_Lift_Lock

    The Kirkfield Lift Lock is a boat lift located in the city of Kawartha Lakes, Ontario, Canada, near the village of Kirkfield. It is designated "Lock 36" of the Trent–Severn Waterway , situated at the highest section of the canal (256.2 m). [ 1 ]

  8. Peterborough Lift Lock - Wikipedia

    en.wikipedia.org/wiki/Peterborough_Lift_Lock

    The Peterborough Lift Lock is a boat lift located on the Trent Canal in the city of Peterborough, Ontario, Canada, and is Lock 21 on the Trent-Severn Waterway. For many years, the lock's dual lifts were the highest hydraulic boat lifts in the world, raising boats 65 ft (20 m).

  9. Dolphin (structure) - Wikipedia

    en.wikipedia.org/wiki/Dolphin_(structure)

    Wood pilings grouped into a pair of dolphins serving as a protected entryway to a boat basin. A dolphin is a group of pilings arrayed together to serve variously as a protective hardpoint along a dock, in a waterway, or along a shore; as a means or point of stabilization of a dock, bridge, or similar structure; as a mooring point; and as a base for navigational aids.

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