Automation System
Direct Numerical Control means:

using one computer to control several machines
None of these
eliminating computers from the manufacturing process
using several computers to control one large machine
complete elimination of a need for a human operator.

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Automation System
Ergonomics refers to:

None of these
the cost relationship of the workstation versus productivity
the level of involvement the operator has with the workstation
the technology involved in the workstation itself
the human aspect of the environment around the workstation as well as the workstation itself

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Automation System
Numerical control:

All of these
is a method for producing an exact number of parts per hour
None of these
applies only to milling machines
is a method for controlling the operation of a machine by means of a set of instructions

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