Welder, Certified : A welder who holds current welding certification approved to NZS 4711 (or equivalent) in the position (s) appropriate to the welding task
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}