Ключевые слова: abstract, analysis, assurance, background, better, business, certificate, certification, check, client, company, competence, concept, control, controlling, customer, design, expertise, hand, healthcare, improve, improvement, industry, jigsaw, management, manager, meeting, optimization, pattern, pdca, perfect, performance, plan, process, production, project, puzzle, qc, quality, relationship, service, standard, strategy, success, successful, test, text, texture, word, work,