Ключевые слова: assurance, best, business, certificate, circle, closeup, cogwheel, commerce, company, concept, control, customer, efficiency, excellence, excellent, gear, guarantee, improvement, industry, innovation, iron, macro, management, marketing, mechanism, metal, old, performance, premium, process, product, production, professional, progress, quality, reliability, sale, satisfaction, satisfy, service, steel, strategy, success, support, teamwork, technology, text, warranty, wheel, word,