Ключевые слова: abstract, background, black, blue, business, button, call, cell, cellphone, cellular, classic, close, communication, concept, contact, dark, dect, device, dial, digital, electronic, equipment, grey, high, key, keypad, keys, letters, light, long, macro, mobile, modern, network, night, number, object, pad, phone, plastic, post, reflect, silver, space, technology, telephone, text, wireless,