Experimental flow water boil 3.2.3 using charcoal wood charcoal from shells and ordinary child Niang
3.2.3.1. A fire using charcoal from shells of the Niang
3.2.3.2. Pour the water into the prepared container
3.2.3.3 Timer that boiling water, and then save the results
3.2.3.4 fire wood charcoal, using a plain
3.2.3.5. Repeat verse repeat 3.2.3.6 3.2.3.2 3.2.3.3 requirements – 3.2.3.1
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3.2.3.5 3.2.4 six times. Steps to compare the quality of the charcoal from the shell ball Niang
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