Making solar ovens for agricultural products that simply want to reduce the moisture content of the product, only the solar oven designed to fit certain items that challenge, no coal or electricity to heat.
The Solar Oven For agricultural products, only to reduce the moisture content of the product. Simply designed Solar Oven to suit the product type. Which challenged the need for coal. Or electric heating.
Making a solar oven. For agricultural products, only want to reduce the moisture content of the product. Is only designed the solar oven to suit the type of product The challenge to not to use coal.