<http://webisa.webdatacommons.org/93142727>	<http://www.w3.org/ns/prov#value>	"Fibers such as hemp, jute, flax and cotton can be substituted for steel and sand (see bio-fiber in website map)." .
<http://webisa.webdatacommons.org/prov/90677769>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/93142727> .
<http://webisa.webdatacommons.org/93142727>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ferrocement.com> .
<http://webisa.webdatacommons.org/93142727>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .