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2. Livewell - Wikipedia

   en.wikipedia.org/wiki/Livewell

   A wooden livewell (container for live bait), towed by fishing boat. Exposition in Fisheries Museum in Hel (branch of National Maritime Museum in Gdańsk). A livewell is a water tank found on many fishing boats that is used to keep bait and caught fish alive.

3. US FWS Charles H. Gilbert - Wikipedia

   en.wikipedia.org/wiki/US_FWS_Charles_H._Gilbert

   US FWS Charles H. Gilbert (FWS 1003) was an American fisheries science research vessel in commission from 1952 to 1970 in the fleet of the United States Department of the Interior's Fish and Wildlife Service and from 1970 to 1973 in the fleet of the National Oceanic Atmospheric Administration as NOAAS Charles H. Gilbert.

4. Water aeration - Wikipedia

   en.wikipedia.org/wiki/Water_aeration

   Natural aeration is a type of both sub-surface and surface aeration. It can occur through sub-surface aquatic plants. Through the natural process of photosynthesis, water plants release oxygen into the water providing it with the oxygen necessary for fish to live and aerobic bacteria to break down excess nutrients. [3]

5. Activated sludge - Wikipedia

   en.wikipedia.org/wiki/Activated_sludge

   Activated sludge tank at Beckton sewage treatment plant, UK.The white bubbles are due to the diffused air aeration system. The activated sludge process is a type of biological wastewater treatment process for treating sewage or industrial wastewaters using aeration and a biological floc composed of bacteria and protozoa.

6. 7th Cruiser Squadron - Wikipedia

   en.wikipedia.org/wiki/7th_Cruiser_Squadron

   The Live Bait Squadron [ edit ] On 21 August, Commodore Roger Keyes —commanding a submarine squadron also stationed at Harwich—wrote to his superior Admiral Sir Arthur Leveson warning that in his opinion the ships were at extreme risk of attack and sinking by German ships because of their age and inexperienced crews.

7. Aerated lagoon - Wikipedia

   en.wikipedia.org/wiki/Aerated_lagoon

   There are two main types of submerged diffused aeration systems for lagoon applications: floating lateral and submerged lateral. Both these systems utilize fine or medium bubble diffusers to provide aeration and mixing to the process water. The diffusers can be suspended slightly above the lagoon floor or may rest on the bottom.