Qarshiyev Zohidjon Abdirahim o‘g‘li, Xo’jjiyev Ma’murjon Yangiboyevich and Kodirova Shaxnoza Salomovna 2023. METHODS FOR DETERMINING DEFECT LEVELS FOR LABORATORY DEVICES. Journal of Science-Innovative Research in Uzbekistan. 1, 9 (Dec. 2023), 645–651.