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  2. Bucket-wheel excavator - Wikipedia

    en.wikipedia.org/wiki/Bucket-wheel_excavator

    Bucket-wheel excavators have been used in mining for the past century, with some of the first being manufactured in the 1920s. [1] They are used in conjunction with many other pieces of mining machinery (conveyor belts, spreaders, crushing stations, heap-leach systems, etc.) to move and mine massive amounts of overburden (waste). While the ...

  3. Mining machinery engineering - Wikipedia

    en.wikipedia.org/wiki/Mining_machinery_engineering

    Lately, the use of continuous mining machines has become the order of the day to comply with environmental regulations, protect surface features, and also achieve an increased production rate. As the concern for safety in mines increased and highly stringent regulations were put in place, it required mining machinery engineers to be highly ...

  4. Joy Global - Wikipedia

    en.wikipedia.org/wiki/Joy_Global

    Joy Mining Machinery (Joy) was the world's largest producer of high productivity underground mining machinery for the extraction of coal and other bedded materials including trona and salt. Its products included: Continuous miners – electric, self-propelled digging machines that cut material using carbide-tipped bits on a horizontal rotating ...

  5. Mining in Ethiopia - Wikipedia

    en.wikipedia.org/wiki/Mining_in_Ethiopia

    Mining is important to the economy of Ethiopia as a diversification from agriculture. Currently, mining comprises only 1% of GDP. Currently, mining comprises only 1% of GDP. Gold , gemstones (diamonds and sapphires), and industrial minerals are important commodities for the country's export-oriented growth strategy.

  6. Bagger 288 - Wikipedia

    en.wikipedia.org/wiki/Bagger_288

    Bagger 288 (Excavator 288), previously known as the MAN TAKRAF RB288 [2] built by the German company Krupp for the energy and mining firm Rheinbraun, is a bucket-wheel excavator or mobile strip mining machine. When its construction was completed in 1978, Bagger 288 superseded Big Muskie as the heaviest land vehicle in the world, at 13,500 tons. [3]

  7. Spreader (mining) - Wikipedia

    en.wikipedia.org/wiki/Spreader_(mining)

    Bild 4. Spreader(Absetzer (ger)) in the Hambach open pit. Spreaders in mining are heavy equipment used in surface mining and mechanical engineering/civil engineering. The primary function of a spreader is to act as a continuous spreading machine in large-scale open pit mining operations.

  8. Ethiopia to set up large data centre amid reported bitcoin ...

    www.aol.com/news/ethiopia-set-large-data-centre...

    Ethiopia has signed a preliminary agreement to develop infrastructure for data mining and artificial intelligence training operations, the government's strategic investment arm said. Ethiopian ...

  9. Underground soft-rock mining - Wikipedia

    en.wikipedia.org/wiki/Underground_soft-rock_mining

    Shortwall mining – A coal mining method that accounts for less than 1% of deep coal production, shortwall involves the use of a continuous mining machine with moveable roof supports, similar to longwall. The continuous miner shears coal panels 150–200 feet wide and more than a half-mile long, depending on other things like the strata of the ...