1. This could have been from the unpurified water that we unknowingly drank. 2. We are drinking unpurified water and we have nothing to eat ." 3. Shortages of electricity and chemicals leave sewage stagnant and unpurified . 4. Metal cleaning can easily be mixed up with refinement of unpurified metals. 5. On top of the sand bed sits a supernatant layer of unpurified water. 6. Fresh, unpurified wine contains DNA from grapes. 7. Unpurified water settled in ponds that had been turned into heavily polluted dump sites.8. One goat produces the unpurified drug at the rate of more than four grams per liter of milk. 9. The product's active ingredient, botulism toxin, can be poisonous in its natural, unpurified form. 10. The product's active ingredient, botulinum toxin, can be poisonous in its natural, unpurified form. 
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