Ключевые слова: above, angle, assistance, at, background, backgrounds, blank, brainstorming, business, concepts, construction, decisions, desk, directly, drawing, education, equipment, geometric, geometry, high, horizontal, ideas, image, letter, looking, material, no, note, occupation, office, on, paper, pen, pencil, percussion, place, plan, ruler, science, shape, space, symbol, table, technology, threedimensional, top, view, white, wood, work,