37 maintenance and repair of aerial ropeway apparatus and installations, ground ropeway apparatus and installations and public rail transportation apparatus and installations, all of the foregoing being machines, vehicles and equipment; Construction, namely installation of aerial ropeway installations, ground ropeway installations and public rail transportation installations, comprised of cable cars, shuttle cars, elevated tramways, automatic tramways, ski lifts, chair lifts, gondola lifts, telpher cars, light railway cars, funicular railcars, gondola cable car lifts, chair lifts, aerial cableway cars, ski tow bars, cable railway cars, cableway cars, air-cushion vehicles, ropeway cars, industrial ropeways for transport of persons or loads, funiculars, shuttle trains, tramways, underground railway carriages; construction consultation relating to the installation of aerial ropeway apparatus and installations, ground ropeway installations and public rail transportation apparatus and installations, comprised of cable cars, shuttle cars, elevated tramways, automatic tramways, ski lifts, chair lifts, gondola lifts, telpher cars, light railway cars, funicular railcars, gondola cable car lifts, chair lifts, aerial cableway cars, ski tow bars, cable railway cars, cableway cars, air-cushion vehicles, ropeway cars, industrial ropeways for transport of persons or loads, funiculars, shuttle trains, tramways, underground railway carriages