Automation System
Pressure sensors:

All of these
use capacitive variations to sense pressure
None of these
use the piezoresistive effect in strain gauge sensors
use an aneroid chamber with a variable resistance output

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Automation System
Light sensors:

work in direct sunlight
None of these
cannot be used a s limit switches.
come in a wide variety of mounting styles
never use infrared light as light source

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Automation System
CAE and CAM are linked through:

parts production and testing
None of these
assembly automation and tool production.
NC tape programming and automated design
a common data base and communications system

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