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• Lapidary Work
  It is from Creede, Colorado, a little mining town which opened up about 1849 and is famous for its silver mining. The Creede bacon is a mixture of amethyst
  19 KB (3,417 words) - 19:11, 16 April 2024
• Viability of recycling semiconductors in LED Televisions
  InGaN or GaN semiconductor devices is the substrate. Silicon carbide and sapphire substrates are both used. The substrate heated in a chamber with an atmosphere
  18 KB (2,612 words) - 15:57, 28 February 2024
• Mineral processing (Practical Action Technical Brief)
  Hentschel, T., and Benthin, B, Tools for Mining, Gate / GTZ, 1993. • McDivitt, J.F., and Lock, D., Small-scale Mining - aguide to appropriate equipment, Intermediate
  39 KB (5,590 words) - 12:14, 28 February 2024