Automation System
An aneroid barometer

None of these
measures pressure by sensing deflection of an evacuated chambers.
can be used to measure gas or liquid flow rates
is very unreliable
can measure only atmospheric pressure

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Automation System
Straight-line operations:

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

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