Task: Question Answering
Input (English): How to Build a Generic Air Cannon.
Output (English): Gather a 3" Pressure-rated PVC pipe, 3" end cap, 2 reducers, Ball valve or solenoid valve, Bushings, and pipe nipples, also gather your tools, Fit Pieces Together of your pipes, make the pressue chamber, Attaching the Valve and Barrel, test and trouble shoot the cannon.