Ключевые слова: accuracy, alertness, begin, chrome, chrono, clock, closeup, competition, counting, dial, end, equipment, finishing, interval, isolated, measure, measurement, measuring, meter, metering, minute, number, on, on white, over, over white, performance, precision, record, reflection, second, seconds, speed, sports, start, starting, stop, stopwatch, studio, time, timer, watch, white background,