| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | glass wool | North America | Commonly used as insulation material in construction | 1 |
| 2 | glass wool | North America | Used as insulation material in construction and DIY projects | 1 |
| 3 | woolen felt | North America | Traditionally used for warm clothing and insulation in cold climates. | 1 |