Ключевые слова: background, blade, blue, cardboard, carton, color, construction, copy, cut, cutter, cutting, design, different, equipment, flat, group, handle, handy, instrument, knife, knives, lay, many, material, metal, new, nobody, object, office, orange, paper, penknife, plastic, razor, red, retractable, sharp, space, stationery, steel, supply, table, text, tool, top, utility, view, wooden, work,