<http://schema.org/keywords>
"retaining wall, St\u00FCtzmauer, mur de sout\u00E8nement, parede de reten\u00E7\u00E3o"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bibliocad.com/library/mine-interior-drilling-mesh-8x8,-for-galleries-and-crosses_42043>