| 21. | Since there is little waste product, this process is relatively eco-friendly.
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| 22. | Hemodialysis would also be needed to remove other waste products from the blood.
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| 23. | Also, when the muscles work they produce a waste product called lactic acid.
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| 24. | Ethanol could be produced from waste products of food production, like corn husks.
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| 25. | It also contains waste products and cellular debris together with bacteria and proteins.
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| 26. | Hydrogen is an abundant element, and its only waste product is water vapor.
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| 27. | Urine is collected and checked for 5-HIAA, the main waste product of serotonin.
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| 28. | As yeast ferments the fruit it produces Co2 and alcohol as waste products.
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| 29. | The failing liver led to a buildup of ammonia and other waste products.
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| 30. | The uranium ore itself was a " waste product " of this industry.
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