<http://schema.org/keywords>
"electricity, lighting project, electric lighting, elektrische Beleuchtung, Elektrizit\u00E4t, Lichtplanung, Projet d'\u00E9clairage, \u00E9clairage \u00E9lectrique, ilumina\u00E7\u00E3o el\u00E9trica, projeto de ilumina"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bibliocad.com/library/housing-two-plants---electric-project_30339>