Assertion: ultrasonic welding | /r/ObjectUse | used for metal
Facets:
value: commonly
type: DEGREE
value: for joining dissimilar materials
type: PURPOSE
Source sentences:
text: It is commonly used for plastics and metals, and especially for joining dissimilar materials.
text: Ultrasonic welding can be used for both hard and soft plastics, such as semicrystalline plastics, and metals.