Anh
underground mining
underground winning
underground work
Đức
Grubenbau
Untertageaufschliessung
Pháp
exploitation en mine
Grubenbau,Untertageaufschliessung /SCIENCE/
[DE] Grubenbau; Untertageaufschliessung
[EN] underground mining; underground winning; underground work
[FR] exploitation en mine