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The ship was grounded broadside on a steep beach at high tide or, in dockyards, moored at a permanent facility for careening known as a careening wharf. [3] A beach favoured for careening was called a careenage. The vessel was then pulled over with tackles from the mastheads to strong points on the shore while the tide went out.
Mechanical lifts use wire ropes chain rigged to, or under, the sunken object. They are independent of tide, but tides could be used for assisting the lift, and there is more control of the lift and lifting rates. Lifts may be possible in heavier sea conditions than possible for tidal lifts. The following types of mechanical lifts are made in ...
A slipway, also known as boat ramp or launch or boat deployer, is a ramp on the shore by which ships or boats can be moved to and from the water. They are used for building and repairing ships and boats, and for launching and retrieving small boats on trailers towed by automobiles and flying boats on their undercarriage .
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The rescue boat can only leave the marina during high tide because the marina entrance needs to be dredged, Whatcom County Fire Chief Jim Petrie told The Bellingham Herald. ... In 2017 a group of ...
Ski lifts use sound-powered phones extensively. Because there are only two handsets (rarely three, where there is a mid station), sound-powered phones are ideal. They are used to confirm actions of the lift with the other operator, and abnormal operation of the lift machinery.
A small motor-boat lifted from the water by a boat lift at La Rochelle, France, 2016. Smaller devices called "Boat lifts" are available that simply raise yachts, sailboats, or small watercraft above the water level at a dock for storage, for reduced maintenance cost and increased security. They can be operated by cables, by hydraulics, or by ...
President-elect Donald Trump’s Surgeon General nominee caused a gun accident when she was 13-years-old that left her dad shot dead — a tragedy which inspired her to pursue a career in medicine ...