Inventions

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Across
  1. 1. A thing that something is made of
  2. 4. To make someone feel that they want to do something and can do it
  3. 5. Function / goal / aim / objective
  4. 8. Able to last a long time without being damaged
  5. 9. An official document (for an idea / product)
  6. 10. Something available as another choice. Clue: different / other
  7. 11. To find out about / to find something for the first time
Down
  1. 2. Rather than or in place of
  2. 3. Someone who invents something
  3. 6. Investigation into / study of
  4. 7. To have in it / to hold