2017 - Volume #41, Issue #2, Page #22
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New Type Of Charcoal Produces More Heat
The California company that produces Soilok, a product that’s sprayed onto gravel and dirt roads to harden them (Vol. 35, No.3), is now using the product to make charcoal. The idea is important for developing countries because charcoal is often used as an inexpensive fuel for cooking and heating. 
    Using Soi..........


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2017 - Volume #41, Issue #2