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  • Glossary of Mining Terms - Kentucky Coal Education - Online Since 1996

    A Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to .

  • Chute Design In A Large Coal Handling Facility

    AREAS OF IMPORTANCE MATERIAL CARRYOVER Within the Syferfontein system the size of the conveyors and stopping times of the respective conveyors gives cause for concern of other areas. Two particular instances are as follows : The 12 km overland .

  • Glossary of Mining Terminology - Rock, Mineral and Fossil Collections From rocksandminerals

    Demonstrated reserves A collective term for the sum of coal in both measured and indicated resources and reserves. Deposit - Mineral deposit or ore deposit is used to designate a natural occurrence of a useful mineral, or an ore, in sufficient extent and degree of .

  • (An English-Chinese-Japanese Dictionary of Technology,606812,S/74892)

    MSC, ==> Main Ship Equipments . Equipment Types . Main Marine Manufacturers Ship Spare Parts, =1=A=B=C=D=E=F=G=H=I=J=K=L=M=N=O=P=Q=R=S=T=U=V=W=X=Y=Z= , by H. Nakajima

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