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• Technology News 519 - EZ-Up Curtain Stoppings: A Practical Solution for Directing Ventilation Airflows in Large-opening Metal/Nonmetal Mines
  5/1/2006 - Technology News
  The EZ-Up curtain stopping is designed primarily for use as a temporary or portable stopping, although test results indicate that it may remain durable for an extended time. It can be constructed from a variety of fabrics, including standard mine bratti...
• Technology News 518 - Super Stopping: A Permanent Solid Stopping for Directing Ventilation Airflows in Large-opening Metal/Nonmetal Mines
  5/1/2006 - Technology News
  The Super Stopping is a permanent, long-term ventilation control for large-opening metal/nonmetal mines designed to last for the life of the mine. This report discusses construction of a Super Stopping, as well as successful testing of the stopping at 3...
• Technology News 500 - Using In-Place Stone Stoppings to Direct Air in Underground Stone Mines
  12/1/2002 - Technology News
  The growing realization of the importance of a healthy work environment along with increased regulations will require many stone mines to implement new ways to improve ventilation. In-place stone stoppings are one option.