Welding of materials https://kursy-udt.pl/wp-content/uploads/2023/02/ACCEPTED-spawacz-4K-kursy-udt.mp4 Optical fiber welding courseGas cutting operator course Manual thermal cutter courseSoldering courseWELDING QUALIFICATIONS COURSE More information:ContactService, repair and modernisation of HDS cranes and other UDT machinesUDT certification at ERGON. Sign up today!Warehouse stacker cranes and their technical supervisionCommodity extractWelding in the joining process