99f0b496e7 AIRBRUSH 101. A simple guide to . ACTION refers to trigger functions of the airbrush SINGLE ACTION refers to airbrushes on which the trigger controls only the . PDF AIRBRUSH DOWNLOADS In this area of Manifest:Art Studio, . It differs greatly in its trigger mechanism and style from the single action (S/A) airbrush.? World's Largest Online Community. The two most distinguishable classes of airbrush are the double action and single action airbrush. . May 21, 2014 Leave a comment . Register for the Airbrushtutor . Patrick J. Reynolds . Patrick has written articles in many publications on a wide scope of the art world, many in Airbrush Action Magazine (Newark, .