File:NIOSH Mine Roof Simulator.jpg
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Summary
| Description |
English: Mine Roof Simulator at the U.S. National Institute for Occupational Safety and Health's Pittsburgh Research Laboratory
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| Date | Unknown date | ||
| Source | NIOSH Mining Facilities | ||
| Author | U.S. National Institute for Occupational Safety and Health |
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:40, 12 November 2018 | | 669 × 502 (273 KB) | John P. Sadowski (NIOSH) | User created page with UploadWizard |
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