| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | sanitation | Japan | High-tech, electronic bidet toilets are common in households and public restrooms | 1 |
| 2 | sanitation practices | Japan | Taking off shoes before entering a house to keep indoor spaces clean is a common practice | 1 |
| 3 | sanitation systems | Japan | Sanitation systems in Japan are known for their advanced technology and cleanliness. | 1 |