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2. Water aeration - Wikipedia

   en.wikipedia.org/wiki/Water_aeration

   Constructed of a hub with attached paddles, these aerators are usually powered by a tractor power take-off , a gas engine, or an electric motor. They tend to be mounted on floats . Electricity forces the paddles to turn, churning the water and allowing oxygen transfer through air-water contact. [ 4 ]

3. Retention basin - Wikipedia

   en.wikipedia.org/wiki/Retention_basin

   Storm water is typically channeled to a retention basin through a system of street and/or parking lot storm drains, and a network of drain channels or underground pipes.. The basins are designed to allow relatively large flows of water to enter, but discharges to receiving waters are limited by outlet structures that function only during very large storm eve

4. Cecil Elwood Pond - Wikipedia

   en.wikipedia.org/wiki/Cecil_Elwood_Pond

   In 1954, Pond introduced his first 4-wheel lawn tractor, an event which altered substantially the lawn care manufacturing business. By 1957, his Wheel Horse Products company recorded sales over $1 million (US$10,848,341 in 2023 dollars [ 2 ] ) for the first time.

5. Spray pond - Wikipedia

   en.wikipedia.org/wiki/Spray_pond

   Specific spray pond surface areas tend to range between 1.2 and 1.7 m 2 per m 3 /h of water to be cooled. The width chosen for a drift channel around the active zone of the pond (containing the sprays) is dependent on a number of factors, including the prevailing wind strength, the average size of the spray droplets produced by the nozzles, and the presence of any nearby structures which may ...

6. Pond - Wikipedia

   en.wikipedia.org/wiki/Pond

   Pond at Cornjum, Netherlands A man made pond at sunset in Montgomery County, Ohio. A young man near a Pond at Bihar, India in 2022 Stereoscopic image of a pond in Central City Park, Macon, GA, c. 1877. A pond is a small, still, land-based body of water formed by pooling inside a depression, either naturally or artificially.

7. Drinking fountains in the United States - Wikipedia

   en.wikipedia.org/wiki/Drinking_fountains_in_the...

   Benson Bubbler: Oregon Portland: A. E. Doyle, architect 1912 For people Philanthropist Simon Benson initially installed 20 four-bowl drinking fountains. Portland now features 52 four-bowl Benson Bubblers and 74 single-bowl ones. David Campbell Monument [25] Portland Fireman's Memorial Oregon 1800 West Burnside Street, Portland: Avard Fairbanks