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2. Corf - Wikipedia

   en.wikipedia.org/wiki/Corf

   A corf could be towed behind the boat while fishermen made the journey from the fishing grounds to the fish market. These journeys could last up to half a day. [ 5 ] When used for storing eels in Blekinge , Sweden, the corves could be as large as 3.75 by 1.33 by 0.8 m (12 ft 3 + 5 ⁄ 8 in by 4 ft 4 + 3 ⁄ 8 in by 2 ft 7 + 1 ⁄ 2 in) and ...

3. Livewell - Wikipedia

   en.wikipedia.org/wiki/Livewell

   A livewell is a box used to transport live aquatic animals; shrimp, baitfish and mature fish, saltwater or freshwater species. A livewell should be made of materials that are non- toxic to aquatic animals. The shape may be square, rectangular, oval or round. The box may be insulated, portable, and have a drain and lid.

4. Water aeration - Wikipedia

   en.wikipedia.org/wiki/Water_aeration

   Fine bubble aeration is an efficient technique of aeration in terms of oxygen transfer due to the large collective surface area of its bubbles. Fine bubble aeration is an efficient way to transfer oxygen to a water body. [8] A compressor on shore pumps air through a hose, which is connected to an underwater aeration unit.

5. Marine pump - Wikipedia

   en.wikipedia.org/wiki/Marine_pump

   The rotational energy typically comes from an engine or electric motor. The fluid enters the pump impeller along or near to the rotating axis and is accelerated by the impeller, flowing radially outward into a diffuser or volute chamber (casing), from where it exits. The gear pump is a marine gear pump that uses the meshing of gears to pump ...

6. Airlift (dredging device) - Wikipedia

   en.wikipedia.org/wiki/Airlift_(dredging_device)

   Airlift pumps are used by water utilities, farmers and others to extract water from deep wells. In such cases the pipes can be 30, 60 or more meters deep underground. Airlift pumps are governed by the physics of two-phase flow.

7. Pump-jet - Wikipedia

   en.wikipedia.org/wiki/Pump-jet

   A pump-jet, hydrojet, or water jet is a marine system that produces a jet of water for propulsion. The mechanical arrangement may be a ducted propeller (axial-flow pump), a centrifugal pump, or a mixed flow pump which is a combination of both centrifugal and axial designs. The design also incorporates an intake to provide water to the pump and ...