Description and significance. Streptococcus mutans is a Gram-positive bacterium that lives in the mouth. It can thrive in temperature ranging from 18-40 degrees Celsius. The bacterium metabolizes different kinds of carbohydrates, creating an acidic environment in the mouth as a result of this process.
Occupational Safety & Health Administration. Welcome to OSHA's Fall Prevention Campaign. FALLS ARE THE LEADING CAUSE OF DEATH IN CONSTRUCTION. In 2013, there were 291 fatal falls to a lower level out of 828 total fatalities in construction. These deaths are preventable. Falls can be prevented and lives can be saved through three simple steps:
A coal outburst occurred resulting in a double fatality, the continuous miner operator and the roof bolter operator who was. operating the MRS unit were fatally injured. The accident occurred on the #1 section in the #6 entry during second mining. Investigative Report. [5] November 10, 2014 Red Bone Mining Company, Crawdad #1 Portal B (U007683B-A) Monongalia County, WV. A section foreman was fatally injured after being struck by a piece of rock while operating a roof bolting machine.