зернений багатоканальний порох
large-grain powder
powder grain size
perforated air duct
perforated wall
perforated cartridge
perforated disk gunpowder
grain size
cubical grain
grain shape
grain
degressive grain
aluminum powder
black powder
blasting powder
coarse-grained powder
crystalline powder
expanding powder gases
keep the powder dry
nitro-cellulose powder (IED)
nitro-glycerine powder
plate powder
powder
powder chamber
powder charge
powder disperser
powder fouling
powder keg
powder temperature
propellant (powder)
propelling powder
pyroxyline powder
take a powder