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When we travel with a luggage on public transport such as buses, the luggage often slider away because of bumps or sudden stop. Sometimes it even falls down to the ground that it will not only damage the luggage but also hurt other passengers probably. To avoid these conditions, people usually have to hold the luggage all the time.For this reason, we redesign the truck bar with a panel covered by rubber on its bottom. So that the problem above can be solved by increasing the friction between the luggage and the ground.
Ningbo University Of Technology