 |
| |||
| line of break | |||
| caving line; gob edge; line of caving; break line | |||
| line of fracture (разрушения) | |||
| линия обрушения: 5 phrases in 2 subjects |
| Mining | 2 |
| Natural resourses and wildlife conservation | 3 |
|
| |||
| line of break | |||
| caving line; gob edge; line of caving; break line | |||
| line of fracture (разрушения) | |||
| линия обрушения: 5 phrases in 2 subjects |
| Mining | 2 |
| Natural resourses and wildlife conservation | 3 |