1.water oxygen machine 2.jet spray,Pigment Removal 3.beauty machine 4.Skin ... ), to spray tiny droplets ( jet spray) form, with 200m/sec (second) speed (supersonic) made by a specially designed nozzle, speed ... worksa. Forced to use oxygen and water to spray tiny droplets stream acting on the skin, can ... treatmenta. Forced to use oxygen and water to spray tiny droplets flow acting on the skin, anaerobic ...