Assertion: duct | /r/HasProperty | old
Facets:
Source sentences:
text: If your ducts are old or you are cutting into walls or areas that were built prior to 1980, you may need to have areas tested for hazardous materials such as asbestos.
text: If your ducts are old or you are cutting into walls or areas that were built prior to 1980, you may need to have areas tested for hazardous materials such as asbestos.