Russian standards PDF

Environmental protection. Biological diversity. Reconstruction of the geological environment and a viable soil and vegetation layer on rock dumps. Basic provisions

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Environmental protection. Biological diversity. Restoration of forest vegetation on rock dumps. Basic provosions

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Environmental protection. Biological diversity. Preservation of rare plants of rocky habitats by in situ and ex situ methods during mining

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Mining equipment. Multifunctional safety systems for underground mine facilities. Terms and definitions

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United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Organization of pre-emergency telemetry information transfer to emergency control automation devices from dispatch centers of the subject of operational dispatch management in the electric power industry. Norms and requirements

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United power system and isolated power systems. Relay protection and automation of autotransformers (transformers) at voltage class 110–220 kV. Testing

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