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Photoelectric switches consist of three basic components: the transmitter, the receiver, and the switching device.
Q2: All artificial magnets are permanent magnets.
Q3: A _ overcurrent device is a fuse
Q6: The heat pump operates on a principle
Q6: The intentional use of electronic communications systems
Q8: An informal group is a collection of
Q12: For pure metals such as silver, copper
Q14: What items should be crossed off your
Q15: A(n) _ winding is used to obtain
Q23: When you act as the "voice of
Q25: What sort of stimulants should you avoid