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A well-boat is a fishing vessel with a well or tank for the storage and transport of live fish. The term well-boat or well smack was first used in the 17th century. [1] Before modern refrigeration methods, well-boats allowed for the delivery of live fish to port. Contemporary well-boats are used in the extensive aquaculture industry.
A catchwater drain is a land drain, a ditch cut across the fall of the land, typically just above the level of low-lying, level ground such as The Fens of eastern England, where some land, tens of kilometres from the sea is at about sea level. Its purpose is to gather water draining from the higher, sloping ground before it reaches the flat ...
A reef aquarium or reef tank is a marine aquarium that prominently displays live corals and other marine invertebrates as well as fish that play a role in maintaining the tropical coral reef environment. A reef aquarium requires appropriately intense lighting, turbulent water movement, and more stable water chemistry than fish-only marine ...
Churchill tanks on the Dieppe beach. The Y-shaped pipes on the rear decking are exhaust pipe extensions to allow deep wading. Although Duplex Drive allowed landing craft to release tanks farther from shore, the alternative deep wading gear permitted a tank to drive partially or completely underwater on the sea floor rather than swim.
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External floating roof tank (double deck type) An external floating roof tank is a storage tank commonly used to store large quantities of petroleum products such as crude oil or condensate. It consists of an open- topped cylindrical steel shell equipped with a roof that floats on the surface of the stored liquid.
A grab dredge. Dredging is the excavation of material from a water environment. Possible reasons for dredging include improving existing water features; reshaping land and water features to alter drainage, navigability, and commercial use; constructing dams, dikes, and other controls for streams and shorelines; and recovering valuable mineral deposits or marine life having commercial value.
Drain the Oceans is an Australian and British documentary television series that premiered on 28 May 2018 on National Geographic. [ 1 ] [ 2 ] The 25-part factual series is hosted by Russell Boulter , and explores shipwrecks, treasure and sunken cities using underwater scanning system , scientific data, and art digital recreations.