| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | pin plugs | Japan | Less common than other types of electrical plugs, such as two-prong or three-prong plugs | 1 |
| 2 | pin plugs | Japan | Less commonly used for electrical outlets, with a focus on other plug types such as flat blade or twist-lock plugs | 1 |
| 3 | safety harness | Japan | Less commonly used in traditional industrial settings and for working at heights due to reliance on other safety measures | 1 |