Related Clues:

• Element like 8-Down
• Helium, e.g.
• Lamp fuel
• Rembrandt painting
• Supply in Iraq
• OPEC commodity
• Vinegar partner
• Olive byproduct
• Main contents
• Light on a dashboard
• Road-sign word
• It's well-regulated
• Well-delivered product
• Try to loosen
• Many a fine artwork