Abstract
Improvements in the technology of mining fireclays and kaolins requires that outdated and worn-ou. machines be replaced in working pits, and also that the reconstructed and newly built concerns be supplied with high-output and reliable rotary excavators. It is recommended that the engineering plants accept for series production a complex of mining equipment,consistingoftheERG-120 (12/0.8) 400 rotaryexcavator and the automatic conveyer-overloader ST-35/600.
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