Africa Market Building Tool Wheel Barrow

Because of the law of the center of gravity, it is very easy to overturn. It is strange that ancient Chinese people used it to carry people and carry people. It is a long journey and smooth and light. Therefore, its creator and the first driver must be a mechanical engineer with courage and knowledge. As for the shaft of a unicycle, its length, flatness and inclination, the height, straightness and inclination of the strut, and the square and elliptical shape of the wheel cover almost vary from place to place and from person to person.

The wheelbarrow is commonly known as "Jigong", "second in command" and "dirt cart". It is distributed in many parts of the country. Before the popularization of modern means of transportation, it was a light vehicle for carrying goods and people. Especially in the north, it played almost the same role as the donkey.