The first telegraph message, sent by Guglielmo Marconi in 1844, carried the message, "What hath God wrought?"

The National Professional Development Model illustrating the progression of education and training in the fire service was developed by:

a. SEC b. FAA c. NFA d. NFPA

The sudden explosion of heated, oxygen-deprived fire gases when oxygen is introduced or reintroduced is called ________________.

A) Backdraft B) Flashover C) Flameover D) BLEVE