air transport; storage of goods; delivery of goods

Servicing and repair of vehicles; checking, maintaining, and repairing airplanes; checking, maintenance and repair of equipment, machines, and engines on board airplanes; cleaning and washing of airplanes; cleaning services for buildings; construction information; supervising construction work; warehouse construction and repair; installation, maintenance and repair of computers and computing equipment; construction of airports; installation and repair of air conditioning apparatus; installati...