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airbrush 
Instrument that pulverizes paint or ink by means of compressed air pressure.
crown
The nozzle cap.
air hose
Flexible tube along which the air travels.
fluid cup
Receptacle that holds the paint, a certain amount of which is drawn in with the air, depending on the position of the needle.
main lever
Device that releases air when pressed and slides back, moving the needle to open the nozzle to varying degrees.
cap
