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  2. Power shovel - Wikipedia

    en.wikipedia.org/wiki/Power_shovel

    Principle of rope-shovel operation. [1]A power shovel, also known as a motor shovel, stripping shovel, front shovel, mining shovel or rope shovel, [2] is a bucket-equipped machine usually powered by steam, diesel fuel, gasoline or electricity and used for digging and loading earth or fragmented rock and for mineral extraction. [3]

  3. Through-the-earth mine communications - Wikipedia

    en.wikipedia.org/wiki/Through-the-earth_mine...

    Through-the-Earth transmission can overcome these restrictions by using ultra-low frequency (300–3000 Hz) signals, which can travel through several hundred feet of rock strata. The antenna cable can be located on the surface only at a mine site, and provide signal coverage to the mine.

  4. Euclid Trucks - Wikipedia

    en.wikipedia.org/wiki/Euclid_Trucks

    Euclid truck in use at Chuquicamata copper mine in 1984 Euclid truck at a quarry in Poland (2013). The Euclid Company of Ohio was a manufacturer which specialized in heavy equipment for earthmoving, particularly dump trucks, loaders and wheel tractor-scrapers.

  5. Loader (equipment) - Wikipedia

    en.wikipedia.org/wiki/Loader_(equipment)

    John Deere Front end loaders CAD model tracing of a tractor mounted loader mechanism CAD model tracing of a skid loader mechanism. A loader is a heavy equipment machine used in construction to move or load materials such as soil, rock, sand, demolition debris, etc. into or onto another type of machinery (such as a dump truck, conveyor belt, feed-hopper, or railroad car).

  6. Dump truck - Wikipedia

    en.wikipedia.org/wiki/Dump_truck

    Rock, dirt, and other types of materials commonly hauled in trucks of this type are quite heavy, and almost any style of truck can be easily overloaded. Because of that, this type of truck is frequently configured to take advantage of local weight limitations to maximize the cargo.

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