| Answer | Crossword Clue |
|---|---|
| gasket | rubber or metal ring used to make a joint watertight |
| gaskets | rubber or metal ring used to make a joint watertight |
| washer | flat ring of rubber, metal, etc., used under a bolt to give tightness |
| washers | A small flat ring made of metal, rubber, or plastic fixed under a nut or the head of a bolt to spread the pressure when tightened or between two joining surfaces as a spacer or seal |
| ring | pair of usually rubber-covered metal rings suspended from a ceiling or crossbar to a height of approximately eight feet above the floor and used for hanging, swinging, and balancing feats in gymnastics |
