Accidental inventions

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Across
  1. 4. that can be put in a specific shape
  2. 6. to disturb or bother a person
  3. 7. several things mixed together
  4. 10. to prevent transfer of electricity, heat or sound
  5. 12. soft and sticky
  6. 13. that can stick to a surface
Down
  1. 1. square cake with square marks on it
  2. 2. saturated with water
  3. 3. to have pain in your head
  4. 4. place where goods are bought and sold
  5. 5. someone who forgets a lot
  6. 7. that doesn't cost a lot of money
  7. 8. a machine that emits something
  8. 9. mixture of flour and liquid used for making pastry
  9. 11. to become liquid under the effect of heat