Assertion: pattern welded steel | /r/CreatedBy | layering iron
Facets:
value: by hammering them
type: MANNER
Source sentences:
text: Pattern-welded steel is made by layering iron and steel and forging the metals together by hammering them at high temperature to form a welded bond.
text: Pattern-welded steel is made by layering iron and steel and forging the metals together by hammering them at high temperature to form a welded bond.