Analytical substantiation of the parameters of the directional air-hydraulic hood Ulugmurad Jonkobilov, Sobir Jonkobilov, Ulugbek Rajabov, Toshburi Egamnazarov and Shuhrat Xo’shiyev E3S Web Conf., 264 (2021) 03034 Published online: 02 June 2021 DOI: 10.1051/e3sconf/202126403034