<http://schema.org/about>
"TOPOGRAPHIC  LIFT  OF RURAL ROAD ; TOPOGRAPHIC PLANT;PROFILES; TRANSVERSAL SECTIONS;CALCULATION  VOLUME OF THE EARTH   MOVEMENTS ;VEHICULAR BRIDGE  WITH ITS STRUCTURES AND METRADOS IN GENERAL EXCEL.."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bibliocad.com/library/rural_55949>