Another way is to pack people into box with a barcode

来源: xyz2001 于 2010-08-03 19:19:15 [] [旧帖] [给我悄悄话] 阅读数 : (180 bytes)

and shipped by belt/convoy. A barcode reader will read information and direct the box into the final destination – similar to a piece of luggage checked in the airline.

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