tap hole area dedusting
A shrinkage method combining with medium-length hole and shallow hole
hole by hole blasting technique
hole by hole detonating
hole by hole initiating
hole by hole initiation
mid-and-deep hole combining shallow hole balsting
Act Governing Relations between People of the Taiwan Area and Mainland Area
Adjacent area of mining area
boundary line of two times between earth excavation area and earth fill area
Breed in pastural area and fattening in agriculture area
Collection Area Merged with Reading Area
concentration area and depleted area