Ключевые слова: 20, abacus, album, art, back, background, black, blackboard, blue, board, building, chalkboard, clerical, college, color, colorful, concept, copy, counter, crayon, creativity, cube, decorative, desk, education, equipment, five, green, hobbies, idea, knife, letters, line, nobody, note, notebook, notepad, object, paint, pen, pencil, pot, red, school, space, stationery, supplies, table, tool, wood,