Related Clues:

• Drill target
• Museum hanging
• Elementary stuff
• See 29 Down
• Stir-fry need
• Squeak solution
• Van Gogh's ''Irises,'' e.g.
• Lube
• Paint base, sometimes
• Cores core?
• Tin source
• Rush discovery
• 'Black gold'
• 3-IN-ONE, e.g.
• Load yield