%0 Journal Article %T MATHEMATICAL MODEL OF THE INTERACTION OF THE SCREW WORKING BODIES OF FOREST FIRE GROUND-THROWING MACHINES WITH THE GROUND COVER %A Popikov, P.I. %A Pozdnyakov, A.K. %K ground cover, augers, forest fire, earth-throwing machine, working process %J Forestry Engineering Journal %D 2021 %N 11 %P 8 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov