| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | hard hat | Australia | Required for safety in mining and heavy industries due to strict workplace safety regulations. | 1 |
| 2 | hardhat | Australia | Required safety equipment on construction sites for workers and visitors | 1 |
| 3 | hardhats | Australia | Worn as a safety precaution in mining and industrial settings | 1 |