| |||
trappor, ej av metall | |||
| |||
tràppa; tràpphus |
staircase : 20 phrases in 10 subjects |
Construction | 1 |
Earth sciences | 2 |
Electronics | 2 |
General | 2 |
Information technology | 2 |
Materials science | 2 |
Mathematics | 4 |
Metallurgy | 1 |
Statistics | 3 |
Transport | 1 |