| |||
opening up; unsealing; turn up (в картах); upturn (в картах) | |||
overburden layer | |||
overburden removing | |||
stripping | |||
spoil mound | |||
| |||
unmasking |
вскрышка: 6 phrases in 5 subjects |
Chess | 1 |
Construction | 1 |
Electronics | 2 |
General | 1 |
Natural resourses and wildlife conservation | 1 |