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### Collapse Indicators The way we avoid being caught in a collapse is to examine the structure constantly, as well as its surrounding circumstances (most notably the fire), for indications that the building is losing the battle against gravity. These indications may be physically visible items, su...

### Collapse Indicators The way we avoid being caught in a collapse is to examine the structure constantly, as well as its surrounding circumstances (most notably the fire), for indications that the building is losing the battle against gravity. These indications may be physically visible items, such as cracks in walls, or they could be noises indicating movement, or they might only be conditions