File:NIOSH Health Hazard Evaluation Program - Measuring Contaminants in the Air at a Workplace.webm
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Original file (WebM audio/video file, VP8/Vorbis, length 4 min 5 s, 1,920 × 1,080 pixels, 1.93 Mbps overall, file size: 56.47 MB)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:15, 12 July 2017 | 4 min 5 s, 1,920 × 1,080 (56.47 MB) | James Hare (NIOSH) | User created page with UploadWizard |
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