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:
Machinery that has unguarded moving parts or that is not locked out during maintenance activities often contribute to caught â in injuries among construction workers. Body parts can be pulled into the dangerous equipment with devastating results. Even clothing that is caught in the machineâs moving parts can be hazardous, as the force of the machine can be so strong that the moving parts can pull not just the workerâs clothing into the machine, but the worker themselves.