Frequent hand hygiene and alcohol hand rubs can break which link in the chain of infection?

Grounds around a burn pile should be cleared of vegetation or cut to less than ___ inches (mm)

A. 3 (75) B. 4 (100) C. 5 (125) D. 6 (150)

The _______ and type of _______ are two good indicators of the possible presence of a hazardous material.

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