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Method of burying municipal and industrial wastes
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Mechanized lining
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Machine for assembling mechanized timbering and conveyer sections
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Powered junction support
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Roofing of powered support unit
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Inter-unit covering for working
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Powered support for liquidation of mine workings
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Powered connection support
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Rock-breaking tool
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Quick-disconnecting joint on pipe-lines
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Vertical mud pump
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Mine cutter-loader
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Hydraulic prop
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Power roof support unit
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Powered support beam section
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Cap of mine power roof support unit
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Unit of power support
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Power roof support for mine drift
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