File:NIOSH Research on Refuge Alternatives for Underground Coal Mines.webm
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Size of this JPG preview of this WEBM file: 800 × 450 pixels. Other resolutions: 320 × 180 pixels | 640 × 360 pixels | 1,024 × 576 pixels | 1,280 × 720 pixels | 1,920 × 1,080 pixels.
Original file (WebM audio/video file, VP8/Vorbis, length 2 min 47 s, 1,920 × 1,080 pixels, 1.85 Mbps overall, file size: 36.85 MB)
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English: NIOSH has ongoing research devoted to refuge alternatives for emergency use in mines, specifically to see how hot and humid they will become when occupied. |
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| Source | YouTube – View/save archived versions on archive.org and archive.today |
| Author | National Institute for Occupational Safety and Health, U.S. Centers for Disease Control and Prevention |
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This image is a work of the National Institute for Occupational Safety and Health, part of the Centers for Disease Control and Prevention in the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:03, 8 November 2016 | 2 min 47 s, 1,920 × 1,080 (36.85 MB) | James Hare (NIOSH) (talk | contribs) | User created page with UploadWizard |
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