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Making, breaking and isolating:
Capacitor, general symbol
Inductor, coil, winding or choke
Inductor, coil, winding or choke with magnetic core
Semi Conductor Diode - general symbol
Microphone
Loudspeaker
Antenna, general symbol
Machine, general symbol
* Function M=Motor G=Generator
Generator, general symbol
Indicating instrument, general symbol
* function V = Voltmeter A = Ammeter etc.
Integrating instrument or Energy meter
* function Wh = Watt-hour
VArh = Volt ampere reactive hour
Lamp, or signal lamp, general symbol