Anh
collar
hole-mouth
mouth
Đức
Bohrlochmuendung
Bohrlohmund
Pháp
gueule
orifice du trou
Bohrlochmuendung,Bohrlohmund /ENERGY-MINING/
[DE] Bohrlochmuendung; Bohrlohmund
[EN] collar; hole-mouth; mouth
[FR] gueule; orifice du trou