Abstract. In accordance with the requirements of the International Organization for Standardization and other organizations, standards are used in order for manufacturers to enter consumer markets or foreign markets and increase their competitiveness. For international standards and national standards of foreign countries, as well as for models of international rules and norms, the installation, parameters, dimensions and quality of the normative unit also includes production technology, testing and control methods, product placement, design and storage. Product certification is carried out to assess the conformity of product characteristics, to verify the product's compliance with the technical and legal requirements of the relevant market.
Keywords: standardization, management metrology, certification, progressive, safety, trade, measurement, model, comparison, import, marking
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