| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | hard hat | Construction Workers | Required safety equipment at construction sites | 1 |
| 2 | hard hat | Industrial construction workers | Standard head protection on construction sites | 1 |
| 3 | hard hat | construction workers | A fundamental piece of personal protective equipment at construction sites to protect against head injuries | 1 |