Ключевые слова: abs, asia, background, bike, concept, countryside, design, driver, enforcement, equipment, fashion, head, helmet, house, injury, knowledge, law, light, motor, motorbike, motorcycle, nature, object, outdoor, outskirts, passenger, people, plastic, protection, public, public speaking, red, reduction, road, role, rule, rural, safety, shiny, sky, space, technology, tool, traffic, transportation, travel, tree, white, window,