Related Clues:

• Engine lubricant
• Driller's quest
• Anointing substance
• See 15-Down
• Slick makeup
• Word with can or pan
• Cooking fat
• Maintains the machinery, in a way
• It floats on water
• Provides routine machine maintenance
• Art store stock
• Wildcatter's find
• Olive product
• Source of Rockefeller money
• Lubricates