Related Clues:

• Press out wrinkles
• Stuff to refine
• ___ Man (Tony Stark)
• Subject of an assay test
• It might have a silver lining
• Prospector's strike
• Mined mineral
• What hulks pump
• See 111 Across
• Word with "curling" or "shooting"
• Tire ___
• Hopper load
• State that's home to Nike H.Q.
• Cast-___ stomach
• Do a laundry chore