About: http://webisa.webdatacommons.org/134824665

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	While it is contemplated that the thrust block 28 can be made of a readily available and inexpensive material such as concrete, it will be recognized by those of skill in the art that any suitably heavy material may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr