Answer | Crossword Clue |
---|---|
SEAL | Piston ring, for one |
NBAER | Piston, for one, briefly |
ANNULUS | Tree ring, for one |
LOBE | One place for a ring |
karabiner | D-shaped ring with a spring catch on one side, used for fastening ropes in mountaineering |
GASKET | Piston ring |
GASKET | Piston-packing ring |
GASKET | Ring around a piston. |