газоочищення
cleaning
cleaning rod
gun cleaning solvent
rifle cleaning kit pouch
fume cleaning
fume cleaning plant
breech cleaning brush
chamber cleaning tool
cleaning agent
cleaning brush
cleaning kit
cleaning patch
cleaning-rod sleeve
cylinder cleaning rod
cylinder-cleaning rod
dry cleaning solvent
dry-cleaning solvent
acid cleaning
alkali cleaning
exhaust-cleaning device
vacuum cleaning
care and cleaning
gas gun; (tear) gas launcher
blister agent/ gas
blood gas
choking agent / gas
combustion gas
gas alarm / warning
gas analysis system
gas and electricity service
gas bleed
gas chamber