Ключевые слова: abstract, asia, asian, booth, business, colorful, communicate, communication, connect, connection, equipment, fixed, handset, indoor, iron, keypad, light, metal, metallic, network, old, pathway, pattern, pay, phone, public, raibow, receiver, service, shadow, sidewalk, steel, system, technology, telco, telecommunication, telephone, traditional, transmitter, walkway, way,