Inventions

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Across
  1. 3. A part of a structure.
  2. 4. phones that used electrical wires using Morse code
  3. 6. A sea vehicle that uses steam.
  4. 8. A gun with a long barrel.
  5. 9. When water gets heated up.
Down
  1. 1. A machine that cuts wheat
  2. 2. The act of exchanging stuff.
  3. 5. A tool used to work with soil.
  4. 7. A hard material made from iron with carbon and usually to create structures.