Invention

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Across
  1. 4. oven
  2. 5. games
  3. 6. conditioner
  4. 7. printer
  5. 8. engine
Down
  1. 1. machine
  2. 2. scale
  3. 3. fan
  4. 4. phone
  5. 7. bulb
  6. 8. machine