Columbia subject headings:
Aerospace industries--Safety regulations--United States.
Chemical industry--Safety regulations--United States.
Industrial hygiene--United States.
Industrial safety--United States.
Textile industry--Safety regulations--United States.
United States. Occupational Safety and Health Act of 1970.
Harvard subject headings:
Princeton subject headings:
Aerospace industries--Safety regulations--United States.
Chemical industry--Safety regulations--United States.
Industrial hygiene--United States.
Industrial safety--United States.
Textile industry--Safety regulations--United States.
United States. Occupational Safety and Health Act of 1970