| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | heat treatment of metals | Japan | Traditional technique with deep historical and cultural significance. | 1 |
| 2 | heated floors | Japan | Common in traditional and modern homes, considered essential for warmth | 1 |
| 3 | thermal spas | Japan | Thermal spas are popular destinations for relaxation and wellness, featuring natural hot springs and mineral-rich waters. | 1 |