TY JOUR TI JUSTIFICATION OF PARAMETERS OF AUGER WORKING BODIES FOREST FIRE PROOFING MACHINES KW ground cover KW augers KW forest fire KW ground-throwing machine KW working process JO Actual directions of scientific researches of the XXI century: theory and practice AU Popikov, P.I. AU Pozdnyakov, A.K. AU Malyukov, S.V. PY 2020 IS 8 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov