Don't worry though it is not hard to replace these parts should there be any damage. Your airbrush will have a handle on which you can hold onto the airbrush with. Airbrush models come with either a solid handle or a handle with an opening. The purpose of this opening is so that you can adjust the needle without removing the handle in a single action airbrush. Makeup artists that practice airbrush art for makeup sometimes will offer workshops in their salons to teach the art of airbrush makeup. So when interested in learning about how to apply airbrush makeup then look into the websites for artist that practice this form of airbrush art. Usually they will have a place on their website that talks about offered workshops. PSI stands for pounds per square inch and for automotive airbrush art you need a compressor that has a psi of 55-65. Iwata is a great name brand to go with and they offer four compressors that will work for airbrushing automotives. Badger is another good name brand that you can go with. They offer several air compressors that will work when doing airbrush art on automobiles. Thus making for a pretty fun hobby or profitable business. The great thing with airbrush art is that you really do not have to know how to draw. All you need to know how to do is successfully use the stencil that you wish to use for your design. The main key is learning how to control the airbrush gun so that you can get the paint only where you want it and not overcast the paint where you do not want it. Some magazines are in print and with the access of the internet there are airbrush art magazine online as well. Whether you are reading and learning more about airbrushing in a printed magazine or an online magazine you are sure to gain knowledge of the airbrush art industry. Airbrush art can be seen in magazines that are designed to teach techniques geared toward airbrushing in a more broad-spectrum. So when some one is fully visual and they want to learn something the best thing they can do is watch videos that show how to do something. There are some great videos on the market that will show a beginner how to do airbrush art. These videos are created by expert airbrush artists that will show you exactly what you need to know.