Dycem Crossword

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Across
  1. 3. Our heavy duty use product
  2. 4. Our name
  3. 6. Physical contamination measured in nanometers
  4. 8. Act of pollution
  5. 10. The natural world
  6. 11. Action of stopping something from happening
  7. 12. The lower surface of a room
Down
  1. 1. Our regular use product
  2. 2. International Organization for Standardization
  3. 5. Industrial production
  4. 7. Molecular structure being made of polymers
  5. 9. Environment free from contaminants