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

product design represents approximately one-half the engineering costs
it simplifies the trial-and-error method
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
None of these

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Automation System
The refresh-vector CRT uses which of the following techniques?

Uses an electron gun to continuously flood the surface of the tube.
None of these
Makes changes on the image by increasing the anode voltage.
The beam constantly travels across the screen to turn on/off a series of pixels.
Creates images on the screen by scanning straight-line vectors between selected points.

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