Home > Term: roof
roof
The rock overlying the subterranean space together with any structural reinforcement in the form of rock bolts, a surface layer of shotcrete, and/or other reinforcement.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Fire safety
- Category: Prevention & protection
- Company: NFPA
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Δημιουργός
- nomura
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