Apparatus and installations for transport by air, land or water, or for towing by cable and/or rope, in particular cable cars, gondolas, chair lifts, aerial cableways, ski tows, ski lifts, and parts therefor, namely, towing mechanisms, namely, tire beams, uncoupling and coupling ramps, support and rope deflection sheaves, concrete footings, line towers comprised of heliportable sections, cross arms, roller batteries, walkways and components providing operator anchorages; rolling stock for railways, vehicles, cars, tramway passenger coaches, funiculars, wagons, trolleys, seats for vehicles, cars for cable transport installations