https://macosxpowertools.com/air-compressors-and-how-they-function/ The compressor. It can be released with various pressures when needed. Though it is the most commonly used process, there are several compressors, each with its own purpose. Most commonly positive displacement compressors are used in auto repair shops and will be the primary focus of this instructional video. The reciprocating compressor can be… Continue reading Air Compressors and How They Function – Mac OS X Power Tools