Crane or derrick suspended personnel platforms.

Bibliographic Details
Corporate Author:	United States. Occupational Safety and Health Administration
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.?] : Occupational Safety and Health Administration, U.S. Dept. of Labor, 2002.
Edition:	2002 Rev.
Subjects:	Cranes, derricks, etc. > United States > Safety measures. Hoisting machinery > Safety measures. Conveying machinery > United States > Safety measures.

Evans: US Documents (Annex 5th floor)