About: http://webisa.webdatacommons.org/313158090

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	The tiles according to the present invention may be manufactured by any of the well known methods and may be made from clay, concrete or other suitable materials such as plastics.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es