Energy

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Across
  1. 2. cheap and good for advertizing
  2. 5. the workspace for people/machines to work and transport ore
  3. 7. the process of removing scraps of debris to get the ore
  4. 8. the process of digging out minerals
  5. 9. power Do not pollute the air and use little recourses
Down
  1. 1. Uses for transportation
  2. 3. minerals underground
  3. 4. machine work
  4. 6. gases Good for heating up an atmosphere