ENERGY

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Across
  1. 2. a disadvantage or negative part of a situation
  2. 3. the number or amount of something
  3. 6. role or purpose
  4. 7. the act of using, eating or drinking something
  5. 8. new and not tested
Down
  1. 1. a situation that restricts something
  2. 4. the work needed to keep something in good condition
  3. 5. producing good results without waste