Automation System
A venturi tube:

can be used to measure gas or liquid flow rates
is extremely difficult to use
is made only of metal
measures the presence of a liquid
None of these

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Automation System
The computer graphics system called SKETCHPAD was demonstrated at

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

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