Automation System
A drum timer is a good example of:

an output actuator
a position sensor
None of these
a sequence controller
an input sensor

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Automation System
One of the major benefits of using CAD in tool design is that:

there is better coordination in the materials-handling area
tool motions can be checked to see if there is interference between the tool and the object
it simplifies the trial-and-error method
None of these
product design represents approximately one-half the engineering costs

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