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An evaporative cooler (also known as evaporative air conditioner, swamp cooler, swamp box, desert cooler and wet air cooler) is a device that cools air through the evaporation of water. Evaporative cooling differs from other air conditioning systems, which use vapor-compression or absorption refrigeration cycles.
For a human-powered version, see yakhchal.. When the ambient air temperature drops to a set temperature, a modulating valve allows all or part of the chilled water to by-pass an existing chiller and run through the free cooling system, which uses less power and uses the lower ambient air temperature to cool the water in the system.
The concept of a youth leadership center was originally developed at Harvard University's Kennedy School of Government in January 2008. The proposal for a month-long leadership program, Building Bridges Through Leadership Training (BBLT), was jointly developed by Ejaj Ahmad, then a graduate student at Harvard University, and Shammi S. Quddus, then an undergraduate student at Massachusetts ...
A sole-source contract was awarded to Population Services International (PSI), which then signed an agreement with the Government of Bangladesh establishing the activity as a parasternal one, with a project council serving as the board of directors. [3] In 1990, it became a company governed by a board of directors made out of volunteers. [4]
Eskayef Bangladesh Ltd., a successor of Smith, Kline & French in Bangladesh, was acquired by Transcom in 1990. [2] According to an IMS report, the company was among the top six pharmaceutical companies operating in Bangladesh in terms of sales in 2021. [4] By 2021, it exported finished products to 65 countries. [2]