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## 10. Any obvious movement of floors, walls, or roofs Again, it may be too late to reach safety once these signs are noted. Pay attention to the earlier warning signs, such as the type of construction and the duration and extent of the fire.
## 10. Any obvious movement of floors, walls, or roofs Again, it may be too late to reach safety once these signs are noted. Pay attention to the earlier warning signs, such as the type of construction and the duration and extent of the fire.
