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Do not enter an unprotected trench!.

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Format:
Book
Government document
Contributor:
United States. Occupational Safety and Health Administration
Language:
English
Subjects (All):
Trenches--Safety measures.
Trenches.
Construction workers--Health and hygiene.
Construction workers.
Industrial safety.
occupational safety.
Physical Description:
1 online resource (1 unnumbered leaf)
Place of Publication:
[Washington, D.C.] : Occupational Safety and Health Administration, U.S. Dept. of Labor, [2005]
Notes:
Title from title screen (viewed on September 26, 2006).
OCLC:
71753487

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