Dual action is when the trigger on the airbrush controls both the air and paint. The trigger is pressed down for the air and back for the paint. Now when it comes to the feed on the airbrush there are three types of feeds that you can choose from. The type of feed you choose will also depend on what you are doing as well as what you are comfortable working with. So take your time to ensure you don't make a mistake on a person's body with the airbrush paint. While experienced artists understand this, again a beginner may not. So it was worth mentioning as well. After the airbrush art tattoo is completely dry then you need to apply talc powder. The talc powder will help to absorb additional oily ensuring more life for the tattoo. First off you will need an airbrush gun, 10' Hoses braded hose, stencils, glass airbrush bottles and an air manifold. Then off course you will need airbrush paints that are designed for the human skin. This is usually referred to as airbrush tattoo ink. To finish up the process you will need talc powder and 70 percent alcohol. You can take airbrushing and create a beautiful mural on a concrete wall to turn that once bland wall into a work of art worthy of some attention. While you can do this by hand the time factor makes airbrushing a better choice. Airbrush art can also be applied to the body to create temporary tattoos and thus uses the human body as a canvas for an artist's imagination. Nails should be clean and buffed prior to beginning. Buffing the nails will give for a rougher surface for the paint to cling onto. Prior to actually airbrushing the nails, a base coat should be applied. There are actually two reasons for the base coat. This base coat will help protect the nail from the paint and help the paint to adhere to the nail better. Remember though that this does not have to be anything bold. It can just be some simple flowers or ivy trim but the choice is yours. Clothing is open to airbrush art as a way to create unique one of a kind clothing and accessories. Airbrush art can just be wording that you have added to your shirts or other clothing or it can be creative pictures of things that interest you.