Ключевые слова: abstract, app, auto, bus double decker, business, button, car, comfortable, concept, content, design, device, economy, engine, equipment, flat, game, graphic, group, icon, industry, interface, isolated, media, metal, mobile, modern, motion, municipal, network, passengers, phone, plastics, production, road, route, set, sign, smartphone, steel, symbol, tablet, technology, tourism, transport, transportation, travel, vehicle, web,