Depends entirely on the type of gun.
"The proper way to clean a gun is to make sure it is not loaded, spray it with cleaning supplies to get all the gun powder out and then put it back together."
Keeps guns from clogging orifices on your spray gun.
The gun should be 8 to 10 inches from the surface. Be sure to hold the gun square to the surface, and overlap passes by 50%.
Black Powder.
Gun powder is always a mixture.
gun powder was udes for fireworks, then weapons
Gun Powder is the most important thing in a war because if you don't have gun powder you wouldn't stand a chance.
When The Percussion Cap That The Hammer Hits Ignites The Gun Powder, The Powder Turns Into A Gas Which Expands In The Chamber Of The Gun Sending The Bullet At A Very High Rate Out The Barrel.
To use an air compressor spray gun effectively, follow these techniques: adjust the air pressure for the material being sprayed, hold the gun at the correct distance from the surface, move in a consistent and overlapping pattern, and practice proper cleaning and maintenance of the gun.
If you have a good spray gun and a small compressor,that's a better way.
I am going to punt here, "How far does gun powder go when you shoot a gun"? It will leave the bore and go about 2-3(perhaps more depending on burn rate and size of powder) feet before dissipating completely. Close range (contact and 2-3 feet) gun shots often result in powder burns around the penetrating point. It is commonly used to gauge the distance from muzzle to point of impact for forensic purposes.
Because China invented gun powder.