Featured image of post Class B Fire Includes - Forest service, chemicals that make up many class b foams include perfluorochemicals implementing class b foam drills and practicing several times per year will keep your firefighters'.
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Class B Fire Includes - Forest service, chemicals that make up many class b foams include perfluorochemicals implementing class b foam drills and practicing several times per year will keep your firefighters'.

Class letters are often assigned to the different types of fire, but these differ between territories.

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