Assertion: gas welding | /r/HasProperty | common
Facets:
value: very
type: DEGREE
Source sentences:
text: Gas welding, also known as oxyacetylene welding, is one of the oldest types of welding and used to be very common.
text: Hot air/gas welding is a common fabrication technique for manufacturing smaller items such as chemical tanks, water tanks, heat exchangers, and plumbing fittings.