Mind your head!

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Across
  1. 2. A way or direction between places
  2. 5. Who is always telling people what to do
  3. 6. An amount of money that is given back
  4. 8. A song that has importance for a country
  5. 10. The money that is used in a country
  6. 13. Who only thinks of their own advantage
  7. 14. Something at a lower price than its value
  8. 17. The place where someone is going
  9. 18. A person who receives and pays out money
Down
  1. 1. A line of people, waiting for something
  2. 2. The act or state of receiving money or goods
  3. 3. The system of having a king or queen
  4. 4. The study to design and build machines
  5. 7. Who you can rely on
  6. 9. A wheeled vehicle for living in
  7. 11. Someone who sells fish
  8. 12. A place to live, work, stay, etc. in
  9. 15. Friendly and energetic
  10. 16. GPS system