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

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

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Automation System
A sequence controller:

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

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