Approximately 50% of all claims are overturned on the first or second appeal

Firefighters-particularly the ____-must have a thorough understanding of hydraulics.

A. engine driver B. officer C. logistics section chief D. pump operator

The _______________ cartilage covers the epiphyses of long bones and functions to cushion the bones and absorb stress during bone movements. 

Fill in the blank(s) with the appropriate word(s).