VOCABULARY. FIND THE NOUNS

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Across
  1. 3. NOUN OF replace
  2. 6. NOUN OF protect
  3. 9. NOUN OF reduce
  4. 10. NOUN OF operate
  5. 11. NOUN OF produce
Down
  1. 1. NOUN OF determine
  2. 2. NOUN OF arrange
  3. 4. NOUN OF manipulate
  4. 5. NOUN OF improve
  5. 7. NOUN OF communicate
  6. 8. NOUN OF invent
  7. 12. NOUN OF connect