Misting Chamber For French Alps Tunnelling Project
During an international summit held in Paris during February of this year, the French President…
May 5, 2015
Day: May 5, 2015
How to Operate an MSHA Coal Refuge Alternative
This video explains the operational procedures for CoalSAFE MSHA Refuge Bay, coal mining shelter by MineARC Systems. This video also describes how to enter a safe haven with a positive pressure flushing system.
May 5, 2015