Ключевые слова: athlete, athletics, begin, chronograph, chronometer, clock, closeup, color, colorful, competition, concept, count, counting, digital, fast, female, fingernail, fingers, green, hand, hours, measurement, minutes, mode, nail, quick, race, red, reset, run, running, seconds, speed, sports, start, stop, stopwatch, thumb, time, timer, timing, watch, woman, work,