Anh
rock excavation
Đức
Felsabtrag
Felsaushub
Felsenaushub
Pháp
déroctage
Felsabtrag,Felsaushub,Felsenaushub
[DE] Felsabtrag; Felsaushub; Felsenaushub
[EN] rock excavation
[FR] déroctage