inventions

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Across
  1. 4. an invention that makes work easier
  2. 5. brightness
  3. 7. to write or record information (wedge)
  4. 9. ramp
  5. 10. financial gain
Down
  1. 1. type of simple machine that uses a fulcrum
  2. 2. to find information from various sources (wedge)
  3. 3. simple machine with wheel and rope to lift heavy objects
  4. 6. stop working properly
  5. 8. to figure something out based on clues or evidence