About: http://webisa.webdatacommons.org/64696008

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	Biological fouling of surfaces such as ship hulls exposed to seawater is a problem which has existed since man first put to the sea.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es