The wheelbarrow is produced in what time?
The wheelbarrow is a human to promote the small vehicle, the earliest invention of Greek or Chinese people of the Han dynasty. It is ergonomic and can withstand traveling on rough roads, but can not be used as material or tools for transportation over sloping surfaces.
Using the lever principle and the wheelbarrow load resistance point near the fulcrum (i.e. wheel) and make itself effective operation, but also the load sharing on a unicycle and manipulator. Because of that heavy wheelbarrow or a large number of mobile load become easier, so it is indispensable to the construction site, farmland, garden is the.
Known as the "wheelbarrow wheelbarrow". Before modern transportation was popularized, it was a portable and manned tool, especially in the north, which played almost the same role as donkeys. Wheelbarrow movement is a new sport, it sports, entertainment, fitness in one of many countries in the world, students generally like riding a car alone. The United States, Britain, Germany, France and other developed countries in the syllabus for primary and secondary schools, have chosen the wheelbarrow for sports equipment.
Although the two wheeled cart is stable in the ground, maneuverability, such as small tilt of the pavement or planking is higher but in the wheelbarrow volatile balance, and at the time of unloading is also easier to control.
