Mineria

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Mineria

  1. 1. Mines i mineria
  2. 2. Rio Tinto (Huelva) A cel obert
  3. 3. Camions miners
  4. 4. ¿Veus els camions?
  5. 5. Mina de diamants en Siberia
  6. 6. Mineria subterrània

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