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No, a pneumatic device is operated by the force of compressed air.
erm....
Pneumatic Drill
Pneumatic Cylinder
Pneumatic Actuator
Pneumatic Switch
Pneumatic Nailgun
Pneumatic Air gun
Pneumatic Launcher
Bit more than four, but now you can choose, hope this helps,
I think it is a device that will turn pneumatic power (pressurised air) into rotation.
Speed controller
compress air