Manufacturing, Manufacturing Plant Fire sprinklers prove worth in manufacturing fire (Caldwell, ID) August 8, 2013 viking210 Fire crews responded to a fire at a manufacturing facility on the morning of August 8. The cause of the fire was the spontaneous combustion of flammable liquid soaked cloths in a garbage can within the facility. According to Andrew Carter of the Caldwell Fire Department, “the sprinkler system was the hero,” having kept the fire from spreading. About 200 employees went back to work shortly after the fire was extinguished by fire crews.