Robot are indispensable in many manufacturing industries. the reason is that the cost per hour to operate a robot is a fraction of the cost of the human labor needed to perform the same function. more than this, once programmed, robots repeatedly perform functions with a high accuracy that supasses that of the most experimenced human operator. human operators are, however, far more versatile. humans can swicth job tasks easily. robots are built and programmed to be job specific.
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