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skyleton skyleton
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6 years ago
Communicating systems operate by
 
  A) sending serial computer communications down a small number of wires
  B) sending control signals over telephone wires
  C) sending 24 volts to each component that must be energized
  D) connecting to the manufacturers web site via satellite connections

 Q. 2

Welding must not be conducted next to degreasing operations due to:
 
  A) Argon gas B) Phosgene gas C) Nitrogen gas D) Methane
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InagambitInagambit
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6 years ago
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skyleton Author
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6 years ago
Thank you, thank you, thank you!
africa143
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
Starfiew
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2 hours ago
Smart ... Thanks!
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