Energy

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Across
  1. 2. The highest point or value of something
  2. 3. A place on a wall where you can connect electrical things to power
  3. 6. A network that delivers electricity to consumers in a large area
  4. 9. To avoid waste
  5. 11. The main or most used thing among others
  6. 12. A person who has expert knowledge in one of the sciences
Down
  1. 1. Something done many times with the same time interval
  2. 4. Something that can be used if necessary
  3. 5. A large amount of something
  4. 7. To provide help or support to someone or something
  5. 8. To need or depend on something or someone
  6. 10. Do not depend on someone or something