шестерня реверсу черв'яка
double enveloping worm gear
undertype worm gear
worm gear
reverse gear
idler reverse gear
engaging reverse gear
camshaft gear (timing gear)
gear reduction unit / gear-reduction unit
elevating worm
elevating worm-wheel
azimuth adjusting worm knob
azimuth worm throwout lever
winch worm bearing
winch worm brake drum
winch worm brake shoe
winch worm shaft
worm and roller
worm and sector steering device
worm bearing adjustment
worm bearing thrust screw
worm brake cone
worm brake cup
worm release lever
worm shaft spacer tube
worm-wheel hub
double thread worm
Hindley worm
worm one's way forward
worm's eye view
reverse bearing
reverse engineering ( back- wards engineering)
reverse one's field