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MATHEMATICAL MODELING OF DETERMINING THE PRODUCTIVITY OF AN EXCAVATOR WHEN MINING INCLINED BENCHMARKS OF COAL MINES WHEN WORKING WITH MOBILE COMPLEXES

DEVELOPMENT OF AN AUTOMATIC SAFETY CONTROL SYSTEM FOR A SINGLE-BUCKET QUARRY EXCAVATOR ON A SLOPE

DEVELOPMENT OF AN IMPROVED Erosion-Resistant Construction of the Jaw Part of the HITACHI EX-1200-6 Excavator Bucket

IMPROVED EXCAVATOR FILTER DEVICE DESIGN

IMPACT OF BENCH CONDITIONS AND MINING-CLIMATIC FACTORS ON THE PRODUCTIVITY OF OPEN-PIT EXCAVATORS