<http://schema.org/about>
"They are construction details of a conventional facade exterior sheet view ceramic work, a unventilated air chamber, an inner sheet of plasterboard, with a lintel with metallic elements and one natural stone parapet."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bibliocad.com/library/inside-locking-window-with-roller-blind,-interior-and-exterior-details_62661>