Video file available for download in high (23.3. MB) and low (4.36 MB) resolutions.
Title from video caption.
"NIOSH PGH Research Lab"--Final credits screen.
"NIOSH Office of Mine Safety and Health Research Video"--Video home page.
"January 2004"--Video home page.
"Audience: Underground miners"--Video home page.
"Using extensive underground footage, the ... video shows how well screens keep loose rock from falling in difficult roof conditions. Techniques for installing screens for both outside-controlled and walk-through roof bolting machines are shown. The video also provides safe handling tips, best practices, and information about machine technology that can greatly improve material handling"--Video home page.
