caving /ENERGY-MINING/
[DE] Eigenversatz
[EN] caving
[FR] auto-remblayage
caving
[DE] Boeschungsrutsch; Einstuerzen
[EN] caving
[FR] sapement
caving,sapping,scour,undercutting /SCIENCE/
[DE] Unterhöhlung; Unterschneidung; Unterspülung
[EN] caving; sapping; scour; undercutting
[FR] affouillement; déchaussement; sapement