Spot Welding 3 : Welding of two or more overlapping sheets of metal, by pressing them together and passing a large electric current through a small area of the sheets, thus heating them and welding them together in a small 'spot'
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}