Strange Inventions

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Across
  1. 4. normal; not special
  2. 7. something new that is created to solve a problem or make life easier
Down
  1. 1. easy to remember because it is special or unusual
  2. 2. useful in real life
  3. 3. good at thinking of new ideas
  4. 5. physical or mental energy used to do something
  5. 6. helpful or practical