37 Repair and maintenance of lifting, loading, unloading and freight handling machines, machine tools, motors and engines, machine belts and couplings, loading and lifting cranes, hydraulic loaders, lifting machines and apparatus, (except car lifts in particular for workshops); repair and maintenance of hauling engines and apparatus, transmission components, loaders for harvesters, motor vehicles, vehicles incorporating lifting apparatus and cranes, fork-lift trucks, replaceable vehicle platforms, vehicles chassis and traction vehicles; installation services for lifting, loading, unloading and freight handling machines, machine tools, motors and engines, machine belts and couplings, loading and lifting cranes, hydraulic loaders, lifting machines and apparatus, (except car lifts in particular for workshops), hauling engines and apparatus, transmission components, loaders for harvesters, motor vehicles, vehicles incorporating lifting apparatus and cranes, fork-lift trucks, replaceable vehicle platforms, vehicles chassis and traction vehicles