How does the airbrush work?

I want to ask for a Citadel Airbrush for Christmas, but I don't really know how it works, other than that it sprays out paint. So basically please tell me what kind of paint it can use, how to get the propellant on, basic spraying technique and what to do in the most common situations where something goes... show more I want to ask for a Citadel Airbrush for Christmas, but I don't really know how it works, other than that it sprays out paint. So basically please tell me what kind of paint it can use, how to get the propellant on, basic spraying technique and what to do in the most common situations where something goes wrong. Maybe even go through step by step assembly and painting, because I don't want to get something that I can't even use. Thanks for helping :D
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