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Carrying and pulling vehicles with human power. It is the ancestor of all vehicles. Despite the continuous development of material handling technology, trolleys continue to be used as indispensable handling tools. The trolley is widely used in production and life because it is low in cost, simple in maintenance, easy to operate, light in weight, and capable of maneuvering...

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Carrying and pulling vehicles with human power. It is the ancestor of all vehicles. Despite the continuous development of material handling technology, trolleys continue to be used as indispensable handling tools. Trolley is widely used in production and life because of its low cost, simple maintenance, easy operation, and light weight. It can work in places where motor vehicles are inconvenient to use, and it is very convenient to transport lighter items at short distances.