пружне (гумове тощо) кільце
base junction; rotary collector ring (box); rotary base junction (of a tank); rotary connection; slip ring; traverse rotary base junction
life ring (ring buoy)
elastic coupling
elastic energy
elastic stop nut
elastic buckling
elastic deformation
elastic defense
elastic resistance
elastic tactics
base ring
breech ring (of firearm)
D-ring
gun ring
jet ring
retaining ring
safety-pin ring
stator ring
stiffener ring
X ring
defense ring
power-slip ring
slinger ring
slip ring
slip-ring box
slip-ring terminal
fire extinguishing ring
sprocket ring
tie-down ring
trunnion ring
adjustable ring
adjusting nut ring