I. V. Levchuk https://orcid.org/0000-0002-9337-8816 Head of scientific and research center for products testing: State Enterprise “Ukrmetrteststandart” Ukraine
O. V. Golubets https://orcid.org/0000-0002-6840-4955 Head of scientific and research center for products testing: State Enterprise “Ukrmetrteststandart” Ukraine