| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | deep sea diving equipment | Japan | May include diving mask, weight belt, and flippers | 1 |
| 2 | dive equipment | Japan | High-tech and meticulously maintained, reflecting the attention to detail in diving culture | 1 |
| 3 | scuba gear | Japan | Associated with professional diving in cold waters, such as deep-sea fishing and salvage operations | 1 |
| 4 | scuba gear | Japan | Associated with professional diving for seafood collection and underwater construction, often used in cold water conditions. | 1 |