40101document1780EMH_372E(3)_-_REFRIGERATION_AND_AIR_CONDITIONING_OCT-NOV_07.pdfapplication/pdf61446232013-07-13 00:41:54http://eprints.usm.my/1070/1/EMH_372E%283%29_-_REFRIGERATION_AND_AIR_CONDITIONING_OCT-NOV_07.pdf