7 Elevators, escalators (except ski-lifts), hoists, cranes (lifting and hoisting apparatus), conveyors (machines), parking systems (electric), parts (especially elevator group management systems), engines and motors (other than land vehicles).
37 Installation and repair of elevators, escalators, electric appliance installation and repair, machinery installation, maintenance and repair, rebuilding engines that have been worn or partially destroyed, rebuilding machines that have been worn or partially destroyed.