Response should be at least 200 words each question:
1. Discuss the various collapse types and the indicators that firefighters must be aware of while operating on scene of an emergency. Include the dangers associated with each type of building construction and the importance of collapse zones during response and mitigation efforts.
2. According to the NIST, what were the reasons for the collapse of the Twin Towers on September 11, 2001? List and explain a minimum of four of the reasons given in the NIST report.