Ключевые слова: action, background, black, business, checking, clock, closeup, concept, concepts, contemporary, copy, countdown, crystal, dark, deadline, endurance, equipment, eternity, flowing, glass, heap, hour, hourglass, ideas, instrument, measure, measurement, measuring, minute, object, oldfashioned, passing, past, patience, pink, pressure, purple, reflection, retro, running, sand, sandglass, space, time, timer, transparent, urgent, watch,