Columbia subject headings:
Shipbuilding industry--Safety regulations--United States--Handbooks, manuals, etc.
Shipyards--Safety measures--Standards--United States--Handbooks, manuals, etc.
United States. Occupational Safety and Health Administration--Handbooks, manuals, etc.
Harvard subject headings:
Princeton subject headings:
Shipbuilding industry--Safety regulations--United States--Handbooks, manuals, etc.
Shipyards--Safety measures--Standards--United States--Handbooks, manuals, etc.
United States. Occupational Safety and Health Administration--Handbooks, manuals, etc.