Non-metallic construction materials, namely, asphalt, pitch, bitumen asphalt, [ tar and pitch, ] gravel, sand, natural and artificial stone, building blocks made of concrete, excavated earth for trench backfilling; road construction, maintenance and covering materials, namely, binding agents for asphalt; bitumen based sealants for asphalt, binding agents for road construction and maintenance products, namely, hydraulic binding agents for making asphalt and coatings for building roads and their maintenance