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The Constitution is a "living document"
Conductive Materials
Substances that permit the flow of electric current through them due to the presence of free charge carriers like electrons or ions.
Through-beam Photoelectric Sensor
A sensor that detects the presence of an object when the object interrupts a beam of light between transmitter and receiver components.
Light Beam
A narrow projection of photons, typically visible to the human eye, used in various applications from communication to measurement.
Latching Relays
Electromechanical switches that maintain their position (on or off) after being actuated, until they receive another specific actuation signal.
Q8: If you wander around Central Park in
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