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chelseypowers chelseypowers
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Posts: 770
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6 years ago
Which of the following types of fire doors is usually held open by a fusible link and cannot be used to protect openings in walls that are required parts of a means of egress?
 
  A. Swinging
  B. Rolling steel
  C. Horizontal-sliding
  D. Horizontal-folding
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6 years ago
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chelseypowers Author
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6 years ago
Smiling Face with Open Mouth that's the expression on my face when I got the notification email
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