RECENT INVENTIONS!

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Across
  1. 4. device that fuses metals with electrical heat
  2. 5. device that pops up toasted bread
  3. 6. device to measure hearing loss
Down
  1. 1. earth moving machine
  2. 2. vehicle without a roof
  3. 3. bandage product with adhesive
  4. 7. the type of camera with self developing film