Welding. General tolerances for welded structures. Length and angle dimensions. Shape and position 
             
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              Welding. Connections made of aluminum and aluminum alloys, made by arc welding. Quality levels depending on defects 
             
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              Health and safety of operator at welding and related processes - sampling of airborne particles and gases in the operator's respiration area. Part 1. Airborne particles sampling 
             
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              Protective clothing used in welding and similar operations 
             
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              Quality requirements for welding. Electrical resistance welding of metallic materials. Part 1. General quality requirements 
             
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              Welding quality requirements Electrical resistance welding of metallic materials Part 2 Basic quality requirements 
             
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              Coordination in welding. Tasks and Responsibilities 
             
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              Certification of the personnel performing welding. Operators and fitters of welding process for the mechanized and automatic welding of metallic materials 
             
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              Technical requirements and evaluation of welding procedures for metallic materials. Assessment based on previous welding experience 
             
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              Wet welding personnel certification. Part 1. Underwater welders working in hyperbaric wet medium 
             
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              Wet welding personnel certification. Part 1. Underwater welders and welding operators working in hyperbaric dry medium 
             
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              Quality requirements for performing fusion welding of metallic materials. Part 2. Comprehensive quality requirements 
             
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