42 Design and development of computer software and software applications; software installation; design and development of multimedia products; technical project planning for the provision of web-based products and services; airport design services; planning being design and development of telecommunications networks; development and testing of computing methods, algorithms and software; design and development of computer software and software applications in the field of to travel reservations and travel services; providing temporary use of online non-downloadable software for reserving and booking of transportation and travel; providing temporary use of online non-downloadable software for checking transportation and travel reservations and booking service; providing temporary use of online non- downloadable software for searching airfares and rates for other transportation being train, bus, vehicle parking, and vehicle transportation, hotels and other accommodations being hostels, guesthouses, motels, and campgrounds, and other travel activities and travel-related services being access to airport lounges, provision of travel insurance and reservation of attraction tickets; design and development of computer software for supply chain management; development of computer software for logistics, supply chain management and e-business portals; providing online non-downloadable software for use in supply chain management for managing bookings of products relating to air travel, other transportation being train, bus, vehicle parking, and vehicle transportation, hotels and other accommodations being hostels, guesthouses, motels, and campgrounds, other travel activities and travel-related services being access airport lounges, travel insurance and attraction tickets