Energy

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Across
  1. 1. remove from the ground
  2. 3. when water is boiled
  3. 4. alternatively
  4. 6. Olden
  5. 7. use more than once
  6. 9. the length something lasts
Down
  1. 1. hydro-power
  2. 2. amazing or interesting
  3. 5. emphasise the truth
  4. 8. people who are specialists