Illustrations from this primary discussion are still observed nowadays in the current edition of NFPA 921 demonstrating a cross-part of the floor with higher beveling or lack of mass indicating way (NFPA 2014). The current hurt indicator as espoused by NFPA 921 is that “sides that slope downward from over https://fire-investigation-servic80122.iyublog.com/26918247/not-known-facts-about-fire-investigation-services