| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | heat treatment of metals | Eastern Europe | Integral part of traditional blacksmithing and metalworking techniques, passed down through generations. | 1 |
| 2 | thermal lot modification | Europe | Thermal lot modification is commonly used in high-tech industries for semiconductor manufacturing and is considered a cutting-edge technology. | 1 |