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RICHDANGER123 RICHDANGER123
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6 years ago
Which switching device uses LEDs?
 
  A) Magnetic reluctor B) Optical sensor C) Hall effect D) Pickup coil
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oliverb1oliverb1
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6 years ago
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RICHDANGER123 Author
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#2
6 years ago
The fact that I can't marry you for this saddens me.
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#3
6 years ago
Let's keep this professional  Monkey
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