Experiment 2 is divided into 3 case is 1. Solar dryer for normal 2. A solar dryer and insulated with materials retain heat in the light 3. Drying of solar energy, a insulated with materials retain heat in the oven. And to measure the various 1 every hour. The storage temperature, relative humidity, solar air ของพริก weight loss by experiment 3 days per case. Since that time 8.00 - 22.00.
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