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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Welded reinforcing products and inserts, welded, lap and mechanical joints for reinforced concrete structures. General specifications
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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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Seams of welded connections. Automatic and semi-automatic submerged arc welding. Basic types and structural elements (at a sharp and obtuse angle)
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Automatic and semiautomatic submerged arc welding. Acute and blunt weld joints. Main types, design elements and dimensions
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Devices for electric welding and plasma treatment
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Occupational safety standards system Electric welding works. Safety requirements
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Single-operator rectifiers with falling external characteristics for arc welding. General specifications
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Welded joints of reinforcement and inserts for reinforced concrete structures. Types, constructions and dimensions
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Welded joints of reinforcement and inserts for reinforced concrete structures. Types, construction and dimensions
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Welded joints of reinforcement and inserts for reinforced concrete structures. Types, constructions and dimensions
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