Assertion: cable's conductor | /r/HasProperty | impregnated with tar
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Armored cable, known by the genericized trademark "BX" - flexible steel sheath with two cloth-covered, rubber-insulated conductors - introduced in 1906 but more expensive than open single conductors Rubber-insulated wires with jackets of woven cotton cloth (usually impregnated with tar), waxed paper filler - introduced in 1922