Illustrations from this primary discussion are still located today in The present edition of NFPA 921 exhibiting a cross-segment of the ground with larger beveling or lack of mass indicating direction (NFPA 2014). The existing harm indicator as espoused by NFPA 921 is the fact that “sides that slope downward https://fire-investigation-servic78990.imblogs.net/76527938/5-essential-elements-for-fire-investigation-services