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  2. Category:Copper mines in California - Wikipedia

    en.wikipedia.org/wiki/Category:Copper_mines_in...

    Pages in category "Copper mines in California" ... Engels Copper Mine; I. Iron Mountain Mine This page was last edited on 5 June 2024, at 18:13 (UTC). ...

  3. Scrap metal shredder - Wikipedia

    en.wikipedia.org/wiki/Scrap_metal_shredder

    Metal scrap recycling, also called secondary metal processing, is a large industry that processes, in the U.S. alone, 56 million tons of scrap iron and steel (including 10 million tons of scrap automobiles), 1.5 million tons of scrap copper, 2.5 million tons of scrap aluminum, 1.3 million tons of scrap lead, 300,000 tons of scrap zinc and ...

  4. Copperopolis, California - Wikipedia

    en.wikipedia.org/wiki/Copperopolis,_California

    The town went through boom periods during the two World Wars, when demand for copper went up again. By the time the mines closed in 1946, according to the U.S. Bureau of Mines, they had produced 72,598,883 pounds of copper worth over $12 million (equivalent to $187,000,000 in 2023). No copper mining has been done since.

  5. Granulation - Wikipedia

    en.wikipedia.org/wiki/Granulation

    A swaying granulator or a roll compactor can be used for the dry granulation. Dry granulation can be conducted under two processes; either a large tablet (slug) is produced in a heavy duty tabletting press or the powder is squeezed between two counter-rotating rollers to produce a continuous sheet or ribbon of material.

  6. Hand scraper - Wikipedia

    en.wikipedia.org/wiki/Hand_scraper

    A hand scraper is a single-edged tool used to scrape metal or other materials from a surface. This may be required where a surface needs to be trued, corrected for fit to a mating part, retain oil (usually on a freshly ground surface), or be given a decorative finish.

  7. David J. Gingery - Wikipedia

    en.wikipedia.org/wiki/David_J._Gingery

    Then green sand castings are used to make a metal lathe. The lathe is the first machine built since it can be used to help build itself. The lathe and foundry are then used to make more complicated machine tools. The books in the series are, in the suggested sequence of construction: The Charcoal Foundry; The Metal Lathe; The Metal Shaper

  8. Southern Copper Corporation - Wikipedia

    en.wikipedia.org/wiki/Southern_Copper_Corporation

    Toquepala Mine in 2003, viewed from ISS.The open pit was then 2.5 kilometers across.. Southern Copper Corporation is a mining company that was founded in 1952. The current incarnation of Southern Copper can be traced to the 2005 acquisition of Southern Peru Copper Corporation by the Mexican copper producer Minera México.

  9. Coppervale, California - Wikipedia

    en.wikipedia.org/wiki/Coppervale,_California

    Coppervale (formerly, Copper Vale) [2] is an unincorporated community in Lassen County, California. [1] It is located 6 miles (9.7 km) east-northeast of Westwood, [2] at an elevation of 5203 feet (1586 m). [1] Its name is derived from the early copper mining activity that once took place. [3]

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