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