Automation System
The "end-effector" of a robot:

can be an actual tool
None of these
All of these
may have a gripping action
is the robot "hand"

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Automation System
Stepping motors:

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

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Automation System
Speech recognition:

All of these
is already widely used in industrial controls
will be used in more applications as the technology matures.
will never be used in industrial controls
None of these

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