RETRACTED: The efficiency of the working process of a forestry primer with a hydraulic drive of a rotor-throwerAlexander Petkov, Denis Druchinin, Petr Popikov, Anatoly Pivtsov, Andrey Zlenko and Andrey SharovBIO Web Conf., 84 (2024) 01056DOI: https://doi.org/10.1051/bioconf/20248401056