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Aquatic weed harvester. An aquatic weed harvester, also known as a water mower, [1] [2] mowing boat and weed cutting boat, [3] is an aquatic machine specifically designed for inland watercourse management to cut and harvest underwater weeds, reeds and other aquatic plant life. [4] The action of removing aquatic plant life in such a manner has ...
Aquaponics is a food production system that couples aquaculture (raising aquatic animals such as fish, crayfish, snails or prawns in tanks) with hydroponics (cultivating plants in water) whereby the nutrient-rich aquaculture water is fed to hydroponically grown plants. [1] [2]
Aquarium fish: Runway cleaners: Shuttlecocks: June 13, 2016 27-06 344 Wooden matches: Tillage machines: Telescopic gangways: Mabe pearls: June 20, 2016 27-07 345 Mosquito coils: Solar-assist tricycles: Palm oil: Fiberglass chopper guns: June 27, 2016 27-08 346 Wood toys Retro toasters: Laboratory furnaces: Aerogel: July 4, 2016 27-09 347 ...
Aquarium fish feeder. An aquarium with a fish feeder. Aquarium fish feeders are electric or electronic devices that are designed to feed aquarium fish at regular intervals. They are often used to feed fish when the aquarist is on vacation or is too busy to maintain a regular feeding schedule. [1]
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Cutting CL (1955) Fish saving; a history of fish processing from ancient to modern times, L. Hill. FAO and WHO (2012) Codex Alimentarius: Code of practice for fish and fishery products Rome. ISBN 978-92-5-107018-5. Hall GM (1997) Fish processing technology Springer, ISBN 978-0-7514-0273-5.
ROV at work in an underwater oil and gas field. The ROV is using a torque wrench to adjust a valve on a subsea structure.. A remotely operated underwater vehicle (ROUV) [citation needed] or remotely operated vehicle (ROV) is a free-swimming submersible craft used to perform underwater observation, inspection and physical tasks such as valve operations, hydraulic functions and other general ...
Fish farming or pisciculture involves commercial breeding of fish, most often for food, in fish tanks or artificial enclosures such as fish ponds. It is a particular type of aquaculture, which is the controlled cultivation and harvesting of aquatic animals such as fish, crustaceans, molluscs and so on, in natural or pseudo-natural environments.
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