Automation System
Today, programmable controllers:

are more powerful then the first controllers on the market
are relatively low cost compared with the original digital equipment available for industrial control
None of these
All of these
can be cost effective even when replacing just a few relays

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Automation System
A common data base is one requisite for converting CAD and CAM to CIM. Another is that:

there should be a common 3-D part description system.
None of these
technical assistance must be provided to the user.
the system must make provision for new techniques.
the user must have access to both hardware and software

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Automation System
Ergonomics refers to:

None of these
the human aspect of the environment around the workstation as well as the workstation itself
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

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