Hi, this is Ethanethan. I have knowledge of EN 15085-2, which specifies the requirements for certification of manufacturers performing welding in the production and maintenance of railway vehicles and components. It defines the criteria for certification levels (CL1 to CL4), including requirements for welding coordination personnel, technical capability, equipment, and quality management systems. The standard ensures that organizations are competent to carry out welding activities in accordance with EN 15085.
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