Search results
Results from the WOW.Com Content Network
The plant had an internal railway more than 10 miles long, used to transfer material between departments. The company produced conveyor belts, power transmission systems, mining machinery and locomotives. [9] At the start of World War One, the company was the largest producer of mining locomotives and coal cutting machines in the world. [10]
Cleveland-Cliffs manages and operates four iron ore mines in Minnesota and two mines in Michigan, one of which, the Empire Mine, has been indefinitely idled. [3] These mines produce various grades of iron ore pellets, including standard and fluxed, for use in blast furnaces as part of the steelmaking process as well as direct reduced (DR) grade pellets for use in direct reduced iron (DRI ...
Ball mills are used for grinding materials such as mining ores, coal, pigments, and feldspar for pottery. Grinding can be carried out wet or dry, but the former is performed at low speed. Ball mills are used often in scientific work to reduce the particle size , eliminate agglomeration, change the shape of particles, provide for mechanical ...
Ball mill, a mill using balls to crush the material; Bead mill a type of Mill (grinding) Burr mill or burr grinder, a mill using burrs to crush the material, usually manufactured for a single purpose such as coffee beans, dried peppercorns, coarse salt, spices, or poppy seeds; Coffee grinder; Conical mill (or conical screen mill)
The Central Ohio Coal Company, once a subsidiary of American Electric Power, is now a subsidiary of CONSOL Energy. [1] At one time, they owned and operated Big Muskie in the Cumberland, Ohio area. [2]
It's been owned by the company Iron Mountain since the late 1990s, and it was formerly owned by U.S. Steel, which excavated it for limestone for mills in the Pittsburgh area.
Manufacturing facilities were dispersed along the 2-mile (3.2 km) power canal to minimize damage during infrequent explosions. King's son-in-law Gershom Moore Peters began working at the powder mill in 1881 and became president of the powder company when King died in 1885. Peters formed the Peters Cartridge Company at Kings Mills in 1887.
The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.