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在马加丹区露天矿开采工作中,使用的是克什得姆工厂出产的MK－4型钻机。在比里滨砂矿,A．柯贝洛夫,B．B．别列聂托夫和C．H．扬可夫斯基曾根据MK－4型
In the open pit mine in Magadan, the MK-4 rig from the Keshim plant was used. In Bili Bin Shalei, A. Koelov, B. B. Do not list Needaver and C. H. Youngkovsky was based on the MK-4