3. to improve the mobile sector wat systemAfter the appropriate State from the preliminary selection in step 2, then this step is to improve the system of trial by mobile wat to change the ratio between water and ethanol in the mobile sector, wat has more details. By adding% ethanol, 5% a lathi 65, 70, 75, 80%, and then evaluate the separate position of both substance and style, the substance of the position. To find a system to extract maximum efficiency
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