Expands the "Smart Tunnel" innovation to four new tunnels, helping to reduce failures in ventilation, firefighting and electrical systems while ensuring longer equipment life ...
Element Six (E6), a pioneer in the development and manufacturing of polycrystalline diamond (PCD) and ultra-hard materials, and Master Drilling, a global leader in drilling and mechanized rock ...
The tunnel ventilation system comprises big exhaust ... to meet guidelines of National Fire Protection Association and ...
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