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:
Further Welder Injury Statistics: âAn estimated 2.3 million construction workers, or 65% of the construction industry, work on scaffolds frequently. Protecting these workers from scaffold-related injuries would prevent 4,500 injuries and 50 deaths every year, at a savings for American employers of $90 million in workdays not lost.â