Assertion: oxy fuel welding | /r/Synonym | gas welding
Facets:
value: in the united states
type: LOCATION
value: commonly
type: TEMPORAL
Source sentences:
text: Oxy-fuel welding (commonly called oxyacetylene welding, oxy welding, or gas welding in the United States) and oxy-fuel cutting are processes that use fuel gases (or liquid fuels such as gasoline) and oxygen to weld or cut metals.