1. The Department of Transportation (DOT) subdivides hazardous materials into how
many categories? Provide a minimum of three of the classes and the subdivisions
within those classes.
Hazardous materials are broken down into nine categories by DOT. Class
1. Explain the reasons for the increase in high-rise buildings in the United States.
One reason for the increase in high-rise buildings in America is that with land cost at a premium,
it's cheaper to build on top of existing structures up rather than purc
1. The four main public concerns identified during the decade of conflagrations that are
still applicable to todays fire service are the need for fire-resistive construction materials
in buildings, the need for dependable water supplies, regular inspectio