Related Clues:
- Coat with oil to reduce friction
- Oil, for example
- Oil race-built buggy
- Squirt some WD-40 on
- Make slippery
- Oil rig built with care
- Oil from car black until changed
- Translated article about principal of using barrels to deliver oil
- Car built to run on the ultimate in engine oil
- Substance used to reduce friction
- Oil jars built with care
- Oil that’s but a relic, sadly
- Car, until changed, contains black oil