Some factors that may make it difficult to keep speed during a stairway evacuation are exhaustion or the person's mental state. During a period of evacuation, the stress suffered is going to affect how people are going to respond, and how they are going to react. Also, the architecture of the stairway may affect the stairway evacuation process.
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At the time when the United States of America decided to build the canal, Panama was a part of Columbia. Today, the canal is an essential route for maintaining good maritime trade links. It can take about eight hours to complete a full journey along the Panama canal.
