Heat should be introduced after at least 72 hours postinjury.

________ Sterile technique results in the killing of all microorganisms and spores

Indicate whether the statement is true or false

Knowledge of fire hydrant operation is necessary in order to:

A. provide water to water treatment plants. B. provide water to community storage tanks. C. flow water to test hydrant pressure and capacity. D. flow water from hydrant discharge openings to flush sediment.