Ключевые слова: 5, 5w, analysis, asking, assessment, business, businessman, button, cause, continuous, diagram, effect, efficiency, factor, five, if, improvement, industrial, interrogative, iterative, japanese, kaizen, machine, man, management, measurement, method, methodology, planning, pressing, problem, process, production, productivity, question, rca, risk, root, safety, scheme, solution, solving, technique, tree, virtual, what, whatif, why, whys,