Results of studies on extending the time operation of gin and linter gratesSalokhiddin Yunusov, Azamat Sultonov, Mashkhur Rakhmatov, Tojiddin Bobomurotov and Mirkhosil AgzamovE3S Web Conf., 304 (2021) 03028DOI: https://doi.org/10.1051/e3sconf/202130403028