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From this point forward, air conditioning became standard equipment on all future subway car orders. Due to the placement of the air conditioning system, the standee poles were arranged in an alternating pattern rather than the straight-line pattern seen in the R40s, which lacked air conditioning systems/units until their overhauls.
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Because the carbon dioxide used in car air conditioning is a recycled industrial waste product, it is an environmentally neutral solution. The Alliance claims that using a CO 2-based air conditioning system will reduce total car emissions by 10%, thereby sparing the planet 1% of total greenhouse gases. [citation needed]
It was originally defined as the rate of heat transfer that results in the freezing or melting of 1 short ton (2,000 lb; 907 kg) of pure ice at 0 °C (32 °F) in 24 hours. [1] [2] The modern definition is exactly 12,000 Btu IT /h (3.516853 kW). Air-conditioning and refrigeration equipment capacity in the U.S. is often specified in "tons" (of ...
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Lewis Howard Latimer was born in Chelsea, Massachusetts, on September 4, 1848, the youngest of the four children of Rebecca Latimer (1823–1910) and George Latimer (1818–1897). [1] Before Lewis was born, his mother and father escaped from slavery in Virginia and fled to Chelsea, Massachusetts on October 4, 1842.
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Use a humidifier and/or air purifier Environmental adjustments can make a significant difference too, says Dr. Mercola. Try using a humidifier to “maintain humidity levels between 35-45% in your ...
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