File:NIOSH HHE - Measuring Contaminants on Workers’ Skin and Workplace Surfaces.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 4 min 18 s, 1,920 × 1,080 pixels, 1.96 Mbps overall, file size: 60.28 MB)