Kholyigitov Sherzod Norboy ugli, Yusupov Islomjon Ilkhom ugli, Ochilov Makhsudjon Muradullayevich and Otakhonov Obidkhon Davlat ugli 2022. DETERMINATION OF THE SEQUENTIAL OPENING OF THE UPPER AND LOWER TRAYS OF THE POCKET DEVICE OF THE STONE-CATCHING EQUIPMENT. Journal of Academic Research and Trends in Educational Sciences. 1, 10 (Sep. 2022), 62–67.