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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	For an energy-efficient window, choose frames made of vinyl, wood, fiberglass and other materials rather than metal for better thermal resistance.
http://www.w3.org/ns/prov#wasQuotedFrom	txu.com