When you enter that cargo tank.

Bibliographic Details
Corporate Author:	United States. Coast Guard
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. : United States Department of Transportation, Coast Guard, 1976.
Subjects:	Cargo handling > Safety measures. Tankers > Safety measures. Hazardous substances. Manutention portuaire > Sécurité > Mesures.

Galveston Stacks