Related Clues:
- Construction workers
- Blue collar caps
- They put up
- Some hardhats
- Builders
- Construction crew, essentially
- Assemblymen?
- Some spinal muscles
- Rosie, et al
- Construction protections
- It's not easy for bowlers - they're off their heads on the site!
- Skyscraper construction crew, essentially
- As worn on building sites
- Construction protection
- Construction workers' head protectors