File:Make it Safer with Roof Screen.webm
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Make_it_Safer_with_Roof_Screen.webm (file size: 89.03 MB, MIME type: video/webm)
Summary
| Description |
English: This seven-minute video from 2007 shows how well screen keeps loose rock from falling in difficult underground coal mine roof conditions. Techniques for installing screen from both outside-controlled and walk-thru 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. |
| Date | |
| 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 |
Licensing
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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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File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 00:02, 8 November 2016 | (89.03 MB) | wikimediacommons>James Hare (NIOSH) | User created page with UploadWizard |
File usage
The following page uses this file: