Assertion: welding | /r/HasProperty | accomplished with the use of heat
Facets:
value: classically
type: MANNER
Source sentences:
text: Classically, welding has been accomplished with the use of heat to melt the metals before joining them together; modern welding includes an assortment of other techniques for joining material, including electricity in arc welding and ultrasound, which is used to join many plastics.