Related Clues:

• Hard work
• Dwells on
• Works hard
• Breaks one's back
• Works
• Toils (away)
• Hercules had 12
• Works hard over a hot stove
• Challenges for Hercules
• Doings of Hercules
• Tasks for Hercules
• Dozen for Hercules
• Toils
• Works over a hot stove, e.g.
• Works like a dog