| |||
relief hole; outer hole; second row hole | |||
pop; sumper | |||
helper; reliever; breaker; easer hole (при проходке горной выработки); intermediate hole; opener; pop hole; pophole; raker (при прямом врубе); reliever hole; satellite hole; second-row hole; shot easer; skimmer (в комплекте); slab hole | |||
rat hole | |||
easer | |||
splitter; flanking hole; pop-hole |
вспомогательный шпур: 10 phrases in 2 subjects |
Military | 3 |
Mining | 7 |