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2. Caisson (engineering) - Wikipedia

   en.wikipedia.org/wiki/Caisson_(engineering)

   Schematic cross section of a pressurized caisson. In geotechnical engineering, a caisson (/ ˈ k eɪ s ən,-s ɒ n /; borrowed from French caisson 'box', from Italian cassone 'large box', an augmentative of cassa) is a watertight retaining structure [1] used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, [2] or for the repair of ships.

3. Caisson lock - Wikipedia

   en.wikipedia.org/wiki/Caisson_lock

   The caisson lock is a type of canal lock in which a narrowboat is floated into a sealed watertight box and raised or lowered between two different canal water levels. It was invented in the late 18th century as a solution to the problem posed by the excessive demand for water when conventional locks were used to raise and lower canal boats ...

4. Dorade box - Wikipedia

   en.wikipedia.org/wiki/Dorade_box

   The grey area indicates the deck of the boat. A dorade box (also called a dorade vent , collector box , cowl vent , or simply a "ventilator") is a type of vent that permits the passage of air in and out of the cabin or engine room of a boat while keeping rain, spray, and sea wash out.

5. Stuffing box - Wikipedia

   en.wikipedia.org/wiki/Stuffing_box

   A small boat stuffing box comprising an adjusting nut, a locking nut and a sleeve. On a boat having an inboard motor that turns a shaft attached to an external propeller, the shaft passes through a stuffing box, also called a "packing box" or "stern gland" in this application. The stuffing box prevents water from entering the boat's hull.

6. Centreboard - Wikipedia

   en.wikipedia.org/wiki/Centreboard

   A long narrow centreboard produces less drag than a short, wide one for a given amount of lift, resulting in a faster boat that can point closer into the wind. A fore and aft, pivoting centreboard can also be used to move the centre of lateral resistance aft to match a change in sail plan, such as furling or dropping the jib.

7. Want to buy the ‘Home Alone’ house? Rent ‘Sex in the City ...

   www.aol.com/want-buy-home-alone-house-115657529.html

   The real-life Brady Bunch house is up for sale at $5.5 million - and the inside looks exactly like the 70s sitcom’s set after a full renovation., The famous house in Studio City, California, was ...