MINEGRID

Non-metallic building materials, namely, fabrics and mats for use in covering, lining, protecting, or reinforcing the walls or ceilings of mines or tunnels; geosynthetics and geotextiles, namely, woven fabrics, knitted fabrics, nonwoven and plastic mats primarily for use in covering, lining, protecting, or reinforcing the walls or ceilings of mines or tunnels; non-metallic composite materials for building, namely, fabrics combined with flame-resistant coating primarily for use in covering, lining, protecting, or reinforcing the walls or ceilings of mines or tunnels