Unified tariff qualification reference book of works and professions of workers. Sections: "Foundry", "Welding", "Boiler, cold-forging, drawing and pressing", "Forge-pressing and thermal work", "Mechanical processing of metals and other materials", "Metal plating and painting", "Enameling", Locksmithing and assembly work "
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Electric welded longitudinal steel pipes. Assortment
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Electrically welded steel line-weld lubes. Range
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Electrically welded steel tubes. Technical requirements
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Steel cold shaped electrically welded tubes technical conditions
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Welded reinforcing products and inserts, welded joints of reinforcement and inserts for reinforced concrete structures. General specifications
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Electric-welded pipes from corrosion-resistant steel
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Occupational safety standards system Electric welding works. Safety requirements
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Electrowelded and seamless steel tubes for automotive and bicycle industries. Specifications
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Pipeline valves. Butterfly wicket valves. General specifications
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Cranes. Tower cranes. General technical requirements
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Building tower pillars building tower pillars
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