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  • Chapter 74 Mining and Quarrying ilocis.org

    Chapter 74 Mining and Quarrying MINING: AN OVERVIEW. Norman S. Jennings. Minerals and mineral products are the backbone of most industries. Some form of mining

  • (An English-Chinese-Japanese Dictionary

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    MSC, ==> Main Ship Equipments Equipment Types Main Marine Manufacturers

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    !!な、にわる・、、ごグルメ、イベント ...

  • ASTM--

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    Standards Search: D: D4-86(2004) Standard Test Method for Bitumen Content. D5-06e1 Standard Test Method for Penetration of Bituminous Materials. D6-95(2006) Standard ...

  • Glossary of Mining Terms rocksandminerals.com

    Back The roof or upper part in any underground mining cavity. Backfill Mine waste or rock used to support the roof after coal removal. Barren Said of rock ...