While in the early times of fire investigations a typical rule among fire investigators was which the seen observation of large shiny blisters of Wooden char indicated rapidly fires and that compact uninteresting blisters indicated a slower fire, which assisted investigators to conclude that a fire was incendiary or not (Boudreau et al. 1977; Brann

This technique was used to establish Every single fire pattern inside the compartment, ascribe a path or intensity to that hurt and assign a directional arrow with a diagram to mirror this harm, having said that, no precise procedural aspects had been furnished regarding how to apply this Investigation or the best way to interpret way (Kennedy and