Premodifier: arc
Head noun: welding

Same concepts
http://dbpedia.org/resource/Arc_welding

Narrower concepts

labelprovenanceconfidence
gas metal arc weldingisap:4299688050.805641
tig weldingisap:4299688100.646104
migisap:2360331980.190867
tigisap:2343159810.136980