<http://schema.org/about>
"EXPANSION OF SECOND LEVEL AND DESIGN OF THIRD LEVEL. FLOORPLANS; SECTIONS; ELEVATIONS; ELECTRIC INSTALLATIONS; PLUMBING; LIGHTING MAP; EXISTING FOUNDATIONS LAYOUT."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bibliocad.com/library/one-family-housing---2nd-and-3rd-storey-additions_57312>