By "reprogrammable" they mean that if a robot gets a new assignment, it will need new instructions, but its basic structure will not change (except maybe a new mechanical hand). ... Imagine a graph where X would be side to side, and Y would be in and out on the graph. ... Three are the X, Y, and Z axes. ... Robots are now used in Hackettstown, New Jersey. ... The robots the place the packages in a box. ...

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