State system for ensuring the traceability of measurements. Stationary and mobile verification means for combustible gases and vapors gas analyzers and gas alarm devices. General technical requirements
Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and to -165 °C. Insulation components
United power system and isolated power systems. Operative-dispatch management. Automatic emergency control of modes of power systems. Emergency control of power systems. Norms and requirements
