Control de techo y pilares
Mine Safety and Health Administration
Education
Clips are not offered for this film: the Internet Archive does not let a page read its file (no CORS headers), so it cannot be cut in your browser.
Parts
About
Mine Safety and Health Administration
Control de techo y pilares DVD548-S - 2003 ( English | Spanish ) Presenta una amplia vision en los riesgos de techo y pilares en la industria de la minería de carbon. Los temas tratados en este video incluyen, evaluaciones de techo y pilares, el plan de control de techo, fuentes de riesgo en techo y pilares, adecuada instalación de soportes de techo, minería retractile, minería de tajo largo, unidades MRS, unidades ATRS, información y apoyo técnico.
- Archive
- Internet Archive, in FedFlix: US government films
- Licence or status
- Public domain (Creative Commons dedication), as the Internet Archive states it.
- Credit
- Mine Safety and Health Administration
- Language
- Spanish
- Who can watch
- The archive gives no rating. Invisible Network shows it to Tweens profiles and older, judged from its collection and subjects. How films are placed