ISO/IEC Guide 98-3 Uncertainty of measurement - Guide to the expression of uncertainty in measurement (GUM:1995). Extension to any number of output quantities*， 2011-11-09 Update
JIS Z 3001-1 Welding and allied processes -- Vocabulary -- Part 1: General*， 2018-02-20 Update
JIS Z 3001-2 Welding and allied processes -- Vocabulary -- Part 2: Welding processes*， 2018-02-20 Update
JIS Z 3920 Methods for chemical analysis of welding fumes*， 2011-03-22 Update
JIS Z 3930 Determination of fume emission rate during arc welding and collection of fume for analysis*， 2013-03-21 Update