Automation System
Stepping motors:

can be built to index different amounts by changing the pole configuration
can run at varying speeds
can run both clockwise and counterclockwise
All of these
do not require commutators

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Automation System
A continuous process is:

one that never shuts down
None of these
used only with analog controllers.
used only for simple tasks
self-contained in that raw materials enter the process and an identifiable products exits the process.

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