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1 rock spoil removel
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2 removal
вскрыша; выемка; уборка (породы); извлечение (крепи); перемещение; удаление•
- chip removal
- draw slate removel
- dust removal
- fume removal
- load removal
- misfire removal
- overburden removal
- pillar removel
- rock spoil removel
- timber removal
- water removel