Educational200315 min633×480

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.

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