Chapter 4 The results of science projects. Performance comparison of charcoal containing different between grapefruit peel corn and coconut. The experiment was carried out following results from the first to find the right mix of charcoal.
science project. Comparison of efficiency of charcoal with a mixture between pomelo peel ซังข้าวโพด. And coconut. Experimental results are as follows: operator .From when 1 finding the proper mixture ratio of coal briquette