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2. Water aeration - Wikipedia

   en.wikipedia.org/wiki/Water_aeration

   The effectiveness of a surface aerator is limited to a small area as they are unable to add circulation or oxygen to much more than a 3-metre radius. This circulation and oxygenating is then limited to the uppermost portion of the water column, often leaving the bottom portions unaffected. Low speed surface aerators can also be installed on floats.

3. Lawn aerator - Wikipedia

   en.wikipedia.org/wiki/Lawn_aerator

   Core aeration is suitable for heavy clay soils, and spike aeration is more suited to sandy or loamy soils. Powered aerator vs. manual aerator. Powered core aerator in use. Powered aerators employ the power from ground propulsion to drive multiple tines into ground. The machines can aerate a large lawn in a relatively short time (similar to ...

4. Aerial root - Wikipedia

   en.wikipedia.org/wiki/Aerial_root

   Fishers in some areas of Southeast Asia make corks for fishing nets by shaping the pneumatophores of mangrove apples (Sonneratia caseolaris) into small floats. [ 3 ] Members of the subfamily Taxodioideae produce woody above-ground structures, known as cypress knees , that project upward from their horizontal roots.

5. Swimming pool - Wikipedia

   en.wikipedia.org/wiki/Swimming_pool

   A swimming pool, swimming bath, wading pool, paddling pool, or simply pool, is a structure designed to hold water to enable swimming or other leisure activities. Pools can be built into the ground (in-ground pools) or built above ground (as a freestanding construction or as part of a building or other larger structure), and may be found as a ...

6. Fine bubble diffusers - Wikipedia

   en.wikipedia.org/wiki/Fine_bubble_diffusers

   The subject of bubble size is important because the aeration system in a wastewater or sewage treatment plant consumes an average of 50 to 70 percent of the energy of the entire plant. [3] Increasing the oxygen transfer efficiency decreases the power the plant requires to provide the same quality of effluent water. Furthermore, fine bubble ...

7. Why the stock market crushed expectations in 2024 - AOL

   www.aol.com/why-stock-market-crushed...

   The stunning rally in US stocks this year caught Wall Street's top forecasters off guard, with most analysts far less upbeat heading into 2024.