annular ring shank nailbalk ringbaulk ringbevel ring gearblocking ringchrome piston ringchrome ringcompression ringdifferential ring gearDykes ringexpander ringfulcrum ringhog ringkeystone piston ringlatencyoil control ringoil ringO-ringpacking ringpiston ringretaining ringringring boltring gaugering gearring groovering shank nailring spannerring topologyscraper ringsealing ringslip ringsnap ringsynchronizer ring