12 self-driving robots for delivery; wheelchairs; electric wheelchairs; walking aid vehicle; vehicles for the physically handicapped and those of reduced mobility; electric vehicles; self-propelled electric vehicles; low-floor vehicle with height adjustment device to facilitate getting on and off of wheelchair users; all-terrain vehicles; two-wheeled motor vehicles; two-wheeled trolleys; non-electric prime movers for land vehicles, not including their parts; mechanical elements for land vehicles