• Apply low heat value Coal Coal low heat 2000 kcal/kg in sub pit Coal stack to dump stock stock fund by a base east of charcoal that is final, contractors adjust slope 1: 3.
• Remove the lower thermal coal Coal low heat 2,000 kcal / kg in the sub pit heap Coal stock base east dump the stock pile of charcoal in the final contractors adjustable slope 1: 3 with.
* the coal low heating value Coal low, heat 2 000 kcal / kg in sub pit out pile Coal stock base east dump by the stock charcoal in the side. Final contractors to adjust slope 1: 3.