Ключевые слова: assistance, assistant, business, call, care, center, client, communication, computer, concept, consumer, customer, design, device, equipment, feedback, fix, guarantee, hardware, headset, help, icon, industry, information, internet, maintenance, man, marketing, office, online, operator, person, phone, process, professional, repair, sale, satisfaction, service, software, spanner, support, symbol, technical, technology, telemarketing, upgrade, web, work,