Energy Efficiency

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Across
  1. 2. Energy that is wanted.
  2. 4. Form of energy that is usually wasted.
  3. 6. The use of energy.
  4. 7. Shape used in energy labels for rating efficiency.
  5. 9. A measure of how useful a machine is.
  6. 10. A device that turns energy into different forms.
Down
  1. 1. Energy that is not used or wanted.
  2. 3. Form of energy that a lot of machines run on.
  3. 5. Country that has similar energy labels to NZ.
  4. 7. Special energy label for really efficient machines.
  5. 8. Machine that often has an energy rating label.
  6. 9. The ability to do work.