Ключевые слова: abstract, antique, background, book, brown, concepts, counting, deadline, education, equipment, events, falling, finishing, focus, foreground, glass, history, homework, hourglass, instrument, life, literature, macro, measuring, nobody, old, oozing, open, opportunity, page, paper, part, past, reading, retro, sand, school, shiny, single, stopwatch, studying, time, timer, transparent, view, waiting, white,