TY JOUR TI THE OPERATOR WORKING CONDITION PERFECTION OF THE TECHNOLOGICAL EQUIPMENT FOR THE PRESSED FORAGE PRODUCTION KW dust content KW operator KW granulated and briquetted forage KW device for the separation of quartzite containing impurities KW venetian blind shutter KW intellectual processor KW step electric motor JO Bulletin of KSAU AU Chepelev, N.I. AU Budkov, E.A. AU Chepelev, I.N. PY 2013 IS PB Krasnoyarsk State Agrarian University