Ключевые слова: black, book, brown, business, calendar, card, clean, coffee, countertop, cup, desk, device, drink, empty, finance, fine liner, glued, gray, memo, modern, necessary, note, notebook, notes, of students, offer, pen, phone, place, plan, reminder, required, science, smart phone, tablet, task, technology, train, training, white, wood, wooden, work, write,