пороховий нагар (у стволі)
corrosive fouling
engine fouling
fouling (of a gun barrel)
fouling
fouling solution
aluminum powder
black powder
blasting powder
coarse-grained powder
crystalline powder
expanding powder gases
keep the powder dry
large-grain powder
nitro-cellulose powder (IED)
nitro-glycerine powder
plate powder
powder
powder chamber
powder charge
powder disperser
powder grain size
powder keg
powder temperature
propellant (powder)
propelling powder
pyroxyline powder
take a powder
cartridge bag (powder bag)
foot powder
Picatinny Powder Depot
powder fume
metallic powder radar deflector