ножне перемикання передач
web foot / webbed foot
staggered magazine changing
ever-changing conditions
ever-changing situation
changing tactical situation
changing battlefield
camshaft gear (timing gear)
gear reduction unit / gear-reduction unit
foot (pl. feet) (ft)
foot bridge
foot element
foot march
foot march under packs
foot messenger
foot mobile infantry
foot patrol
foot patrol package
foot pedal
horse and foot
shoot oneself in the foot
trench foot
foot powder
brace leg foot
cubic foot
engine bearer foot
foot mounting
foot warmer
foot control valve
foot dimmer switch
foot of hammer
foot-firing mechanism
foot-mounted