Related Clues:
- Construction site sight
- Helmet
- Construction worker
- Construction worker, in slang
- One building buildings?
- Construction-site headgear
- Protective headgear
- Carpenter's hammer-carrier
- Protective helmet, like 25 ac
- Construction worker's protection
- Stag holding out had requirement for building site
- Headgear for building sites, etc
- Carpenter's accessory
- Express surprise on street to bowler with protective headgear
- Protection for construction workers in Derby, perhaps