Welders: employees hired by JWW Invest S.A. as welders have TŰV or UDT certificates consistent with EN 287-1. Welders have authorisations for 141, 141/111, 111, 135 welding.
Fitters: they have relevant experience in work related to power boilers and pipelines. They have additional authorisations like an ”E” qualification certificate, authorisations of riggers and forklift and crane operators.
Supervision: employees supervise construction and repair works in the power industry on a comprehensive basis. Supervisory staff have “D” and “E” qualification certificates, as well as IWE or EWE certificates.
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