Ключевые слова: aluminum, background, bin, cable, call, can, communicate, communicating, communication, concept, conference, connect, connection, convenience, cord, device, discussion, equipment, flat, hear, information, isolated, listen, listening, medium, message, obsolete, old, past, people, phone, play, quality, receiver, reception, simplicity, sound, speaker, string, talk, technology, telecommunications, telephone, thread, tin, toy, vintage, voice, white,