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A robot waiter, produced by China-based HZX Electronic Technology Co., Ltd., serves food at a restaurant in Dhaka, Bangladesh, on Dec. 2, 2017. (Xinhua/Salim reza)
A robot waiter, produced by China-based HZX Electronic Technology Co., Ltd., serves food at a restaurant in Dhaka, Bangladesh, on Dec. 2, 2017. (Xinhua/Salim reza)