Ключевые слова: action, age, ancient, antique, background, blue, business, checking, clock, concept, contemporary, countdown, crystal, deadline, endurance, eternity, falling, flowing, glass, heap, hour, hourglass, idea, instrument, life, management, measure, measurement, measuring, minute, object, passing, past, patience, pressure, reflection, running, sand, sandglass, space, speed, time, timer, transparent, trickle, up, vintage, watch,