Ключевые слова: activity, adjustment, air, autumn, bikers, brake, chain, check, checking, control, controlling, cup, dangerous, device, dirt, disc, display, energy, frame, garage, hand, hands, hobby, holiday, inflate, jump, manual, manually, measuring, mechanical, motorbike, motorcycle, nut, one, person, pressure, pump, pumping, rim, safety, summer, task, tire, traffic, transport, traveling, valve, vehicle, warning, wheel,