Assertion: flue | /r/HasProperty | installed
Facets:
value: by building contractors
type: OTHER
Source sentences:
text: Most flues should be installed by building contractors to best prevent house fires.
text: When a boiler is installed for the first time, the flue will be installed too.
text: Chimneys and flues are installed to help make sure your home does not fill up with bad smelling, dangerous smoke.