Curved bends and curve inserts on bends of the linear part of steel pipelines. Technical specifications 
             
            
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              Bent branches and curved inserts for the turns of the linear parts of steel long distance pipe lines 
             
            
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              Main pipeline transportation of oil and oil products. Pumping stations. Design 
             
            
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              Gas distribution systems. Coatings of extruded polyethylene for steel pipes. General technical requirements 
             
            
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              Trunk pipeline transport of oil and petroleum products. Organization and performance of construction and installation works on the territory of permafrost soils spreading 
             
            
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              Trunk pipeline transport of oil and petroleum products. Linear part. Organization and production of construction and installation works 
             
            
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              Trunk pipeline transport of oil and petroleum products. Sections of the main oil pipeline and petroleum products pipeline, laid on the territory of cities and other settlements. Design 
             
            
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              Main pipeline transportation of oil and oil products. Buildings and structures. Design rules 
             
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              Gas distribution systems. Requirements for gas consumption networks. Part 4. Operation 
             
            
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              Main pipeline transportation of oil and oil products. Pipe fittings. Methodology for calculating the required hydraulic and cavitation characteristics of control valves for selection in automatic control systems 
             
            
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              Main pipeline transportation of oil and oil products. Welding materials. General specifications 
             
            
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              Field pipelines made of fiberglass pipes. Design and operation rules 
             
            
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