Automation System
A sequence controller:

None of these
is difficult to program
is a mechanical only controller
is no longer in widespread use
performs on/off control functions in relation to time.

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Automation System
The "walk-through" method of programming a robot involves:

All of these
None of these
moving the robot from one location to another
physically moving the robot through all the motions it is to repeat
walking through your suggested procedure with your supervisor prior to programming

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