Ключевые слова: apple, art, back, background, ballpen, blackboard, blank, blue, board, business, class, college, color, colorful, colour, concept, copy, copyspace, dark, design, desk, document, education, empty, gray, homework, knolling, learning, note, notebook, objects, office, open, paper, pen, pencil, school, sheet, space, stationary, stationery, student, study, stuff, supplies, table, tools, white, wooden, write,