Ключевые слова: black, business, clip, concept, convenience, curve, design, equipment, fastener, home applied, hook, housework, industry, iron, isolated, letter, line, manufacturing, material, metal, metallic, object, office, office supply, paper, paperclip, pattern, pin, plastic, sheet, silver, stainless, stationary, steel, strength, strong, thin, tool, white, wire, word, working,