| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | digging fighting hole | Japan | Unfamiliar and not commonly practiced due to differing military tactics and terrain | 1 |
| 2 | excavation pit | Japan | Associated with historical and archaeological sites, such as ancient tombs and pyramids | 1 |
| 3 | quarrying | Japan | Quarrying is often linked to the preservation of traditional stone-cutting techniques and the protection of historic quarries as cultural heritage sites. | 1 |