Measuring Instruments

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Across
  1. 2. a piece of metal that returns to its usual shape
  2. 4. broadcast; send out or carry signals
  3. 5. not completely correct exact, or precise
  4. 7. not digital
  5. 10. opposition
  6. 11. refer to someone or something
Down
  1. 1. vital, key, crucial, necessary, important
  2. 3. exactly the same, or very similar
  3. 6. hang
  4. 8. instrument for measuring current in amperes
  5. 9. substance or particle