[1]ISO.Welding and allied processes — nomenclature of processes and reference numbers:ISO 4063:2009 [S].2019. [2] CEN.Qualification testing of welders — fusion welding — part 1:steels:EN ISO 9606-1:2017 [S].2017. [3] ISO.Welding and allied processes — welding positions:ISO 6947:201...