Going back to the beginning when we first started our fire service training as “probies,” we were taught the fire triangle, which eventually evolved into the fire tetrahedron.

Going back to the beginning when we first started our fire service training as “probies,” we were taught the fire triangle, which eventually evolved into the fire tetrahedron.

Historically, physicists created a graphical representation detailing the three elements of fire (fire triangle). In recent years, one more point has been added, creating the fire tetrahedron.