Top States. Bureau of Labor Statistics data show that forensic science technicians in the District of Columbia lead the nation, with $74,050 in average annual earnings in May 2011. Workers in Illinois made $73,290 on average, crime scene investigators in Virginia earned $71,140 and workers in California made $68,880.alifornia employed the greatest number of forensic science technicians of any state, followed by Florida, where workers earned $46,820 on average. Arizona had the highest concentration of investigators after the District of Columbia, and workers in Arizona earned $55,110 a year on average.
While more expensive than asphalt, metal roofing lasts longer and is more wind resistant. Materials: May be composed of steel, aluminum, copper, or zinc alloy. Steel roofs come with either a zinc coating or painted finish. Copper roofs are installed unfinished and acquire a protective green patina with age.
This article explains how to fix a leaking metal roof with Rubba-Roof. Metal roof sheeting takes two main forms. One is the older style of small profile, corrugated âtinâ that has been used for nearly two centuries as an economical roof covering for agricultural buildings and rustic dwellings.his article explains how to fix a leaking metal roof with Rubba-Roof. Metal roof sheeting takes two main forms. One is the older style of small profile, corrugated âtinâ that has been used for nearly two centuries as an economical roof covering for agricultural buildings and rustic dwellings.