Assertion: gas's use | /r/CapableOf | protect against workplace hazards
Facets:
Source sentences:
text: No agency in the U.S. tests and certifies respirators for use by the general public, however, the National Institute for Occupational Safety and Health (NIOSH) part of the Centers for Disease Control and Prevention (CDC), tests and certifies respirators for use by workers to protect against workplace hazards.