Assertion: engineering drawing | /r/HasProperty | done until post-world war ii era
Facets:
value: for centuries
type: TEMPORAL
value: by using pencil
type: MANNER
value: manually
type: MANNER
Source sentences:
text: For centuries, until the post-World War II era, all engineering drawing was done manually by using pencil and pen on paper or other substrate (e.g., vellum, mylar).