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There are a lot of inconveniences for wheel chair users to use the shopping cart. Those who are in wheel chair are not able to raise their stuff over the counter when they are in front of cashier. So, it is desirable to design a wheel chair which combines the functions of a wheel chair and a shopping cart so that those who sit on the wheel chair can move the shopping cart and make the payment.
Cheong Ju University
Cheong Ju, South Korea
Jae Gang Lim,
Cheong Ju University