Automation System
The computer graphics system called SKETCHPAD was demonstrated at

University of Aston, Birmingham, 1960
Imperial college of Science and Technology, London, 1973
Massachusetts Institute of Technology in 1963
None of these
Cranfield Institute of Technology, London, 1962

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Automation System
Straight-line operations:

None of these
can include diagonal cuts if they aren't curved
All of these
must be limited to two per workpiece
must be parallel to one of the axes of the coordinate system

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