The diagrams below show stages in the development of simple cooking equipment Summarise the information by selecting and reporting the main features and make comparisons where relevant

The given diagram illustrates three stages in the development of cooking tools.

Overall, there are three main types of cooking equipment, ranging from the simple the ones with high complexity.

In the first stage, ancient cooking tools were super simple which only consisted of some stones. Moving onto the next phase, the stove had some differences compared to the earlier one. It was made of clay and there was a small door for fuel insert.

At the final point in the diagram, cooking equipment had completely changed with numerous details. In addition to some simple functions like cooking, stoves at this time had doors for better ventilation and the bottom frame was made of metal.
Handles, support for pot and grate for charcoal were also added for more convenient access.