| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | air vent system | South Asia | Often used to improve air circulation and reduce humidity in indoor spaces | 1 |
| 2 | air vent system | Southeast Asia | Often used to improve air circulation and reduce humidity in indoor spaces | 1 |
| 3 | ventilation | Asia | Natural ventilation, such as open windows and doors, is often preferred over mechanical systems to circulate air and cool indoor spaces. | 1 |