Cleaning uneven, delicate and hard to reach surfaces using traditional methods is ineffective or even impossible. A traditional cloth will just wipe away the dust, and dampening it with water is not an option in many cases. Also, cleaning nooks and crannies with a fine brush can be a very difficult task, as the bristles will only push the dust from higher up into the crevices between them. Such situations are common when vacuuming computer motherboards, among other things. The only effective method for cleaning complex devices and components is with compressed air.