Assertion: rug | /r/MadeOf | natural wool
Facets:
Source sentences:
text: Shearling or hide carpets and rugs that consist of natural wool or hair attached to the hide with no synthetic fibers and that have been treated with a fire retardant may use an alternative wash procedure as specified in the standards at 16 CFR § 1630.61 or 16 CFR § 1631.61.