The diagram illustrates the process of cooking food in a solar box oven.
It is clear that the cooking food process emits six different stages; the process starts with a print that is the end brand box black and ends with a setup under direct sunlight.
At the beginning of the process, a cardboard box is painted black to help absorb the heat. Then, a pot with a full of vegetables is placed inside that food, after that the pot is placed into the painted black box.
In the following stage, this bar placed into a bigger box, thus some materials such as newspaper or Sawdust to create the heaver. In the fifth step, the bee placed on the longer with foil and a glass frying pan, place the entire setup under direct sunlight with a minimum temperature of 83°C. The blac color helps to absorb the sunlight and changes into heat.