19 Railroad ballast materials, namely, crushed stone, granite, basalt, trap rock, asphalt and limestone; Magnesium stone building materials, namely, dolomite aggregates, dolomitic limestone and lime rock, for sale to manufacturers and suppliers for their use as raw materials to be mixed with other raw materials and substances; building and construction materials not of metal, namely, crushed stone, sand, gravel, granite, limestone, trap rock, asphalt, concrete, basalt, lime rock, dolomite, dolomitic limestone, pre-cast Portland cement, for sale to manufacturers and suppliers for their use as raw materials to be mixed with other raw materials and substances, and for sale to construction companies for their use to construct roads, parking lots, bridges, tunnels, other transportation infrastructure, dams, and sewers; bituminous products for building, namely, hot mix asphalt and paving mixtures consisting of crushed stone, sand, gravel, granite, limestone, recycled asphalt pavement, recycled asphalt and cement, for sale to construction companies for their use to construct roads, parking lots, bridges, tunnels, other transportation infrastructure, dams, and sewers; non-metal granules for roofing for sale to manufacturers and suppliers for their use as raw materials to be mixed with other raw materials and substances