7 Wear-resistant machine parts, namely, wear parts for grinding, crushing, milling, drilling, cutting, reducing, load bearing, and friction bearing, for use in heavy industries, namely, structural and civil engineering, in road construction, in asphalt processing, in concrete manufacture, in the refractory industry, in crushing of stoneware industry, in the cement industry, in the brick industry, in the foundry industry, in steelworks, in the oil industry, in the manufacture of construction machinery and road finishing machines, in foundry machine construction, in steelworks and rolling mill construction, in agricultural machinery construction, in the manufacture of municipal vehicles and in pump and compressor construction