Abstract
From the background information supplied by the inventors, news correspondents o btained the following quote: “Transporting of manufactured goods or raw material s through the pushing or pulling of wheeled industrial carts is a common need in logistics applications. Wheeled carts provide the flexibility to transport load s of different shapes and sizes at a low cost, both indoors and outdoors. Typica l wheeled carts may be provided with four independently swivelling wheels, somet imes also including a single fixed central control wheel, or alternatively havin g swivel wheels at the front, while the rear wheels are fixed in orientation.
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