концентрація метану
methane CH4
methane-tank
concentration along the key axes
concentration of forces and facilities
concentration of troops
killing concentration
lethal concentration
main concentration (of troops)
troop concentration
consistent fire concentration
double consistent fire concentration
triple consistent fire concentration
successive barrage / successive concentration
artillery concentration
concentration period
concentration point
vehicle concentration
infantry-armor-artillery-air concentration
oxygen concentration
ozone concentration
concentration of exhaust hydrocarbons
angle of concentration
break up а concentration (of tanks)
concentration and target overlay
concentration area
concentration call
concentration march
concentration of effort
concentration target
concentration tracing
effect a concentration
effective concentration