TY JOUR TI EXPERIMENTAL STUDY RESULTS ON OPTIMIZING THE CHARACTERISTICS AND WORKING MODES OF THE FOREST-FIRE UNIT WITH THE FACE CUTTER KW experimental research KW forest fire unit KW forest soil cutting KW face cutter KW power intensity KW geometric parameters KW cutting modes JO Bulletin of KSAU AU Karnaukhov, A.I. AU Ageev, A.A. PY 2015 IS PB Krasnoyarsk State Agrarian University