<http://schema.org/keywords>
"outer Cierramiento i interior, Chest, shutter box, brick walls, panel, block, Ziegelmauer, mur de briques, parede de tijolos, constructive details, partition wall"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bibliocad.com/library/inside-locking-window-with-roller-blind,-interior-and-exterior-details_62661>