37
Building construction; repair; installation services
maintenance, repair, modification, and overhaul of aircraft, spacecraft, autonomous vehicles, drones, and unmanned aerial vehicles (uavs) and parts therefor; technical support services, namely, providing technical support and advice in the field of aircraft, spacecraft, autonomous vehicles, drones, unmanned aerial vehicles (uavs) and parts maintenance, repair, modification, operation and overhaul; aircraft conversion services, namely, converting commercial aircraft to cargo freighters
41
Education; providing of training; entertainment; sporting and cultural activities
educational services in the nature of providing training in the field of use, operation, maintenance, repair, and overhaul of aircraft, spacecraft, autonomous vehicles, drones, and unmanned aerial vehicles (uavs); educational services in the nature of providing online publications in the form of books, manuals, and guides, all in the field of aircraft, spacecraft, autonomous vehicles, drones, and unmanned aerial vehicles (uavs) and the use, operation, maintenance, repair, and overhaul of aircraft, spacecraft, autonomous vehicles, drones, and unmanned aerial vehicles (uavs)