Related Clues:

• Crude
• It may be struck
• Heating fuel
• Drawing that's easy on the eyes
• Olive ___
• See 50-Across
• Salad dressing ingredient
• Cooking staple
• Services, in a way
• Deep-frying need
• Lubricate
• Works at the Met
• Tanker's cargo
• Van Gogh's 'Irises,' e.g.
• Flattery