Both exams are needed to stop flammable grease from either catching fire when it passes by an adjacent location or, In the event the grease alone is already alight, leading to a fire to start out throughout the adjacent location by radiant heat. Also, this phase examines the critical job https://greasetightextractductwor68890.blogofchange.com/37580051/an-unbiased-view-of-fire-resisting-ductwork-insulation