| |||
hard; tough | |||
solid; rigid; stiff | |||
| |||
toughened |
twardy : 92 phrases in 18 subjects |
Agriculture | 7 |
Botany | 1 |
Building materials | 1 |
Chemistry | 9 |
Construction | 25 |
Earth sciences | 1 |
Economy | 2 |
Electrochemistry | 1 |
Electronics | 2 |
Forestry | 3 |
General | 16 |
Law | 1 |
Lighting other than cinema | 1 |
Magnetics | 1 |
Medical | 5 |
Metallurgy | 3 |
Microsoft | 12 |
Welding | 1 |