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2. Pond liner - Wikipedia

   en.wikipedia.org/wiki/Pond_liner

   Pond liners are manufactured in rolls or accordion-folded on pallets. When deployed in the field their edges and ends are overlapped and seamed together. Methods are thermal fusion, solvents, adhesives and tapes. The edge of the pond liner is generally rolled over the top of the soil slope and secured in an anchor trench or it can be fixed to a ...

3. Evaporation pond - Wikipedia

   en.wikipedia.org/wiki/Evaporation_pond

   Evaporation pond. Evaporation ponds are artificial ponds with very large surface areas that are designed to efficiently evaporate water by sunlight and expose water to the ambient temperatures. [1] Evaporation ponds are inexpensive to design making it ideal for multiple purposes such as wastewater treatment processes, storage, and extraction of ...

4. Solar pond - Wikipedia

   en.wikipedia.org/wiki/Solar_pond

   Solar pond. A solar pond is a pool of saltwater which collects and stores solar thermal energy. The saltwater naturally forms a vertical salinity gradient also known as a "halocline", in which low-salinity water floats on top of high-salinity water. The layers of salt solutions increase in concentration (and therefore density) with depth.

5. Pond - Wikipedia

   en.wikipedia.org/wiki/Pond

   Pond. A man made pond at sunset in Montgomery County, Ohio. 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. A pond is smaller than a lake [1] and there are no official criteria distinguishing the two ...

6. Swimming pool - Wikipedia

   en.wikipedia.org/wiki/Swimming_pool

   An Olympic-size swimming pool (first used at the 1924 Olympics) is a pool that meets FINA's additional standards for the Olympic Games and for world championship events. It must be 50 by 25 m (164 by 82 ft) wide, divided into eight lanes of 2.5 m (8.2 ft) each, plus two areas of 2.5 m (8.2 ft) at each side of the pool.

7. Tailings - Wikipedia

   en.wikipedia.org/wiki/Tailings

   Pollution. In mining, tailings or tails are the materials left over after the process of separating the valuable fraction from the uneconomic fraction (gangue) of an ore. Tailings are different from overburden, which is the waste rock or other material that overlies an ore or mineral body and is displaced during mining without being processed.