Ключевые слова: art, contour, cruise, design, fire, fly, future, graphic, icon, illustration, isolated, launch, line, linear, lineart, locomotive, marine, metro, ocean, offroad, outline, passenger, rail, railroad, railway, sail, sailboat, sailing, science, sea, ship, shuttle, space, spaceship, speed, symbol, technology, train, transport, transportation, travel, trip, underground, vehicle, water, yacht,