2 options
Do not enter an unprotected trench!.
- Format:
- Book
- Government document
- 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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