37 Building construction; repair of machines and plants built thereof for producing pipes, wires, bands, steel rods, billets, rails and sections; installation services for machines built for producing pipes, wires, bands, steel rods, billets, rails and sections, namely, machines for manufacturing, working and processing seamless pipes, including large-scale piping machines, hot and cold rolling mills for pipes, rolling mills for wires, steel rods, billets, rails and sections, drawing machines, wire coil presses, reeling machines, hot iron saws, cold saws; electrical and hydraulic shears and cutting machines, pipe cutting machines, cooling beds for pipes, wires, steel rods, billets, rails and sections, machines, in the nature of transportation machines for adjusting long products, straightening machines, pipe testing presses, laying heads, bundling equipment, picking equipment, calibrating processing machines, band reeling machines, loop towers, strip levelers, section rolling mills, large-scale pipe spheroidizing presses, plate edge milling machines, pipe expanding machines, forging hammers, radial forging machines, forging manipulator machines, sheet metal and section stretchers, cable coating presses, mechanical and hydraulic metal powder presses, continuous casting machines, casting and pressing machines, rolling and drawing machines, rod and bar milling machines, all goods for the metal, copper, non-ferrous metal and aluminum industry, hydraulic machines for supplying the aforementioned machines with hydraulic medium, emulsion and oil lubrication machines and descaling machines