Forms of transport

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Across
  1. 2. It has two wheels. If you ride it, you need a helmet (casco).
  2. 4. A type of train that moves under cities. There is an underground in Madrid, London, New York...
  3. 6. People go on vacation in the sea here.
  4. 7. This is used to fly in the sky.
  5. 9. a boat used to transport people or objects.
  6. 10. A small aircraft with rotating blades.
Down
  1. 1. This is used to transport heavy things and is very slow.
  2. 3. Very big families use this type of vehicle
  3. 4. To disconnect something from electricity.
  4. 5. To break something valuable.
  5. 8. To defend something.