Ключевые слова: 7, 24, all, assistance, business, button, call, center, chat, clock, communication, concept, connect, connection, contact, customer, day, delivery, design, desk, element, flat, help, helpline, hot, hotline, hour, hours, icon, illustration, internet, isolated, line, operator, phone, retail, service, shop, sign, store, support, symbol, talk, technology, telemarketing, telephone, time, vector, work,