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2. Joy Global - Wikipedia

   en.wikipedia.org/wiki/Joy_Global

   Joy Global's underground business received 90% of its revenue from coal projects, [2] and from the manufacture of underground mining equipment. [ 26 ] In 2011 underground mining machinery accounted for 60.5% of Joy Global's revenue (excluding LeTourneau) up from 60.3% in 2010.

3. Underground hard-rock mining - Wikipedia

   en.wikipedia.org/wiki/Underground_hard-rock_mining

   There are two principal phases of underground mining: development mining and production mining. Development mining is composed of excavation almost entirely in (non-valuable) waste rock in order to gain access to the orebody. There are six steps in development mining: remove previously blasted material (muck out round), scaling (removing any unstable slabs of rock hanging from the roof and ...

4. Normet - Wikipedia

   en.wikipedia.org/wiki/Normet

   Normet is a private Finland-headquartered, global technology company.The company manufactures underground equipment and applications and provides aftermarket services, construction chemicals, and rock support products and expertise for customer processes in underground mining and tunnelling as well as for civil construction industries.

5. P&H Mining - Wikipedia

   en.wikipedia.org/wiki/P&H_Mining

   P&H Mining Equipment sells drilling and material handling machinery under the "P&H" trademark. The firm is an operating subsidiary of Joy Global Inc. In 2017 Joy Global Inc. was acquired by Komatsu Limited of Tokyo, Japan, and is now known as Komatsu Mining Corporation and operates as a subsidiary of Komatsu.

6. Modular Mining Systems - Wikipedia

   en.wikipedia.org/wiki/Modular_Mining_Systems

   Modular Mining is a privately held company that develops, manufactures, markets, and services mining equipment management systems, headquartered in Tucson, Arizona, U.S.A. Modular's DISPATCH Fleet Management System is available in eight languages, and has been deployed at more than 250 active mine sites; among these are nine of the ten highest-producing surface mines in the world.

7. Bucyrus-Erie - Wikipedia

   en.wikipedia.org/wiki/Bucyrus-Erie

   Bucyrus-Erie was an American surface and underground mining equipment company. It was founded as Bucyrus Foundry and Manufacturing Company in Bucyrus, Ohio, in 1880.Bucyrus moved its headquarters to South Milwaukee, Wisconsin, in 1893.

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. LHD (load, haul, dump machine) - Wikipedia

   en.wikipedia.org/wiki/LHD_(Load,_Haul,_Dump_machine)

   The length improves axial weight distribution and bucket capacity can be enhanced. The two-part construction with central articulation helps in tracking and maneuverability. In mining, there is a limitation for shifting heavy equipment, and sometimes, an LHD has to be shifted through a shaft while dismantled. [1]