Assertion: traditional barbed wire | /r/ObjectUse | used since late 19th century
Facets:
value: into the present day
type: TEMPORAL
Source sentences:
text: The traditional barbed wire used since the late 19th century and into the present day was made from two mild steel wires twisted together, usually of about 12 or 14 gauge, with about 15-30 twists per metre.