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Oftentime, we don’t know about prices when searching goods in shopping mall. Therefore, it is required to find an inquiry machine for checking prices. However,text fonts shown in the information of inquired items are still too small or blurry. It is incongruent for seniors to check out pricing information. However,what if aninquirymachine is directly installed on a trollt? It functions like a smart tablet computer equipped into a trolley with much time saved when inquiring. Additionally much more space ready for the installation pf inquiry machines can be saved.
Far East University
Tainan City, Taiwan