Minerals and the products of mining

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Across
  1. 1. A transparent drinking container
  2. 4. An electronic device we use for working, playing video games or surfing the net
  3. 5. A container for food or drink. For example: for coca-cola
  4. 6. Something we use for writing on a blackboard
Down
  1. 2. A vehicle with four wheels and a gosoline or diesel engine
  2. 3. A tube of wood containing a piece of graphite used for writing