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  • Rare-earth element Wikipedia

    A rare-earth element (REE) or rare-earth metal (REM), as defined by IUPAC, is one of a set of seventeen chemical elements in the periodic table, specifically the ...

  • Plasma Furnaces in Africa pyrometallurgy.co.za

    Synopsis: Plasma-furnace technology was first applied in Africa in the mid- to late 1970s, when it was realised that advantages could be obtained in the processing of ...

  • Federal Register :: Financial Responsibility Requirements ...

    This tables of contents is a navigational tool, processed from the headings within the legal text of Federal Register documents. This repetition of headings to form ...

  • Engine List Atomic Rockets projectrho.com

    Artwork by Dean Ellis (for The Last Hurrah Of The Golden Horde) There is a nice basic overview of propulsion systems here. You can spend lots of time researching ...