Answer:
National Institute for Occupational Safety and Health
Explanation:
National Institute for Occupational Safety and Health (NIOSH) is a federal agency in the United States of America (USA) that is responsible for carrying out research, making recommendations and setting standards for the prevention of illness and injuries associated with work. In other word, NIOSH is responsible in conducting researches and setting standards for the prevention of occupational hazards.
OSHA is a regulatory body that implements safety, while NIOSH is centered on research and health.