The engineers said the machine is useful for people working on assembly lines or running around to make deliveries. It uses a computer and battery to work.

设计工程师称，该装置内置电脑和电池，对于需要长时间站立的流水线工人以及外卖配送员十分有用。

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At many schools, entrepreneurial students have been sanctioned to sell food and make deliveries around campus.

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To make deliveries, couriers traveled by foot, bike, subway or bus, getting instructions from the call center.

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He then uses the truck to make deliveries that he charges for.

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