NAHB-OSHA trenching and excavation safety handbook =
Subtitle: Guía de seguridad de zanjas y excavación.
Contributors: National Association of Home Builders (U.S.); United States. Occupational Safety and Health Administration.
Publisher: BuilderBooks; National Association of Home Builders
Published: 2009
Place of publication: Washington, DC
Language: eng
Number of pages: 120
ISBN-13: 9780867186246
Subjects: Excavation -- Safety measures -- Handbooks, manuals, etc; Earthwork -- Safety measures -- Handbooks, manuals, etc
Genres: Handbooks, manuals, etc.
Other titles: Guía de seguridad de zanjas y excavación