Ключевые слова: approval, assurance, background, bad, business, businessman, certified, company, concept, consumer, control, corporate, costly, costs, customer, defects, discovery, economics, endanger, financially, guarantee, improve, industrial, issues, laws, legal, liability, marketing, message, negligence, offer, penalties, product, protection, quality, recall, refund, regulations, responsible, return, risk, safety, seller, sign, signboard, technology, text, voluntarily, word,