Ключевые слова: appearing, approval, background, brown, bulettin, business, businessman, company, concept, control, cork, customer, cut, defects, discovery, economics, improve, industrial, industry, legal, liability, marketing, message, negligence, offer, paper, phrase, product, protection, quality, recall, red, refund, responsible, return, risk, safety, seller, sign, text, torn, voluntarily, word,