TY JOUR TI THE SUBSTANTIATION OF THE MACHINE DETERIORATION DEGREE FOR THE EFFICIENT USE OF AGGREGATES WITH DIFFERENT TECHNICAL RESOURCE IN GROUP PREVENTION KW quantitative measure of machine deterioration KW new keeping standards KW procedures for making decisions on the composition of the RSW (repairing-service work) JO Bulletin of KSAU AU Ushanov, V.A. PY 2015 IS PB Krasnoyarsk State Agrarian University