<http://schema.org/keywords>
"ceiling, insulating panel, forging plants, roof, Decke, Trockenbau, D\u00E4mmplatte, panneau isolant, plafond, forg\u00E9, forjado, teto, painel isolante"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bibliocad.com/library/framework-of-plant_1726>