Potentially dangerous confined spaces, such as tanks, silos, and manholes, are purposely designed with: d. Limited openings.
OSHA is an abbreviation for occupational safety and health administration that was created under the Occupational Safety and Health Act, so as to develop work-safety standards for workers and providing precautionary measures against all workplace hazards.
According to the occupational safety and health administration (OSHA), potentially dangerous confined spaces, such as tanks, silos, and manholes, are purposely designed with limited openings, in order to mitigate the risk that are associated with entering or working in such spaces.
Complete Question:
Potentially dangerous confined spaces, such as tanks, silos, and manholes, are purposely designed with:
a. Natural ventilation
b. Continuous access
c. Powered exhaust
d. Limited openings