joshydb2009
joshydb2009 joshydb2009
  • 19-01-2021
  • English
contestada

Feathered Friend What causes the failure of the alarm that was intended to warn about air quality?

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arelygarcia2
arelygarcia2 arelygarcia2
  • 19-01-2021
The second alarm circuit hadn't been connected up at the time.
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