рудниковий газ; окис вуглецю
become damp
damp down
lever damp screw
stink damp
damp
oxyhydrogen (fire-damp, нім. Knallgas)
damp run
adjustable choke
choke boring
choke button
choke on a liquid
degree of choke
heavy choke
muzzle choke
Weaver choke
choke a road
choke cord
choke wire
choke
choke point