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Construction workers use a hammer to hammer a concrete nail into a lightweight concrete block to build a house.
Related tags:
- construction work
- worker helmet
- occupational safety
- construction safety
- work safety
- hard worker
- engineer helmet
- concrete construction
- industrial safety
- safety worker
- construction worker
- hard hat
- home builder
- construction helmet
- safety helmet
- house construction
- builder
- safety hat
- construction
- construction industry
- construction site
- construction hat
- roofer
- engineer hat
- worker
- industry worker
- woodwork
- construction engineer
- carpenter
- engineer
- safety equipment
- wood worker
- roof
- labor
- safety
