Related Clues:
- Grease caused some soiling
- "Black gold"
- Subject of a 1973 crisis
- Fish __
- Thing to check on a car
- Cause of some skin problems
- __ well
- Makeup of a slick
- Classic pre-dinner bread dip
- Emulsion component, often
- Venezuela export
- Liquid for frying
- Liquid in a drum
- It's squirted on squeaks
- Saudi Arabian export