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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 ...
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 ...
The 14 cm Minenwerfer M 15 was a medium mortar used by Austria-Hungary in World War I.It was developed by Škoda Works as an alternative to a German design from Rheinische Metallwarenfabrik/Ehrhardt [1] for which ammunition could not be procured.
The GATOR mine system is a United States military system of air-dropped anti-tank and anti-personnel mines developed in the 1980s to be compatible with existing cluster dispensers.
Retreat mining is a particularly dangerous form of mining. According to the Mine Safety and Health Administration (MSHA), pillar recovery mining has been historically responsible for 25% of American coal mining deaths caused by failures of the roof or walls, even though it represents only 10% of the coal mining industry. [13]
Bucyrus-Erie 50-R, 55 feet high and housing a massive drill, was used in the successful rescue of two miners during the 1963 Sheppton, Pennsylvania mining disaster. [17] 1250-B/W and 1260-W walking draglines, with buckets between 33 and 45 cu yd (25 and 34 m 3).
Cart from 16th century, found in Transylvania A dumper minecart used in the Basque Country, currently at the Minery Museum.. A minecart, mine cart, or mine car (or more rarely mine trolley or mine hutch) is a type of rolling stock found on a mine railway, used for transporting ore and materials procured in the process of traditional mining.
Miner I: Philip and Son: 1939 Miner II: Philip and Son 1939 Miner III: Philip and Son 1939 Miner IV: Philip and Son 1940 Miner V: Philip and Son 1940 Sunk as target on 6 June 1970 [2] Miner VI: Philip and Son 1942 M7: Singapore Dockyard - Seized in Singapore by Japanese forces before completed [1] Miner VII: Philip and Son 1944 Miner VIII ...