Question

nccer 00104 - introduction to power tools
what do pneumatic tools run on?
manual pumping action
fluid pressure
compressed air
vaporized gas

Explanation:

Pneumatic tools are powered by compressed air. Manual pumping action is for non - pneumatic manual - like tools. Fluid pressure is for hydraulic tools. Vaporized gas is not the typical power source for pneumatic tools.

Answer:

compressed air