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Automobile
Air conditioning overview Other heating systems
The operation of the system is a continuous cycle. The compressor pumps low pressure but heat-laden vapor from the evaporator…
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Automobile
Air conditioning Conventional heating and ventilation
Introduction The earliest electrical heating I have come across was a pair of gloves with heating elements woven into the…
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Automobile
New developments in instrumentation systems
Global positioning system (GPS) From 1974 to 1979 a trial using six satellites allowed navigation in North America for just…
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