Ключевые слова: agreements, assurance, barriers, black markets, boxes, certification processes, concerns, consumer protection, controls, counterfeit, customs, diplomatic tensions, disruptions, doubts, economic, embargoes, export, global, goods, gray market, gray operations, import, inspections, interdependence, international, national interests, nontariff, policies, political, pressure, principles, product, protectionist, quality, quotas, regulations, restrictions, safety, sanctions, security, sign, smuggling, supply chains, tariffs, trade, warning,