About: http://webisa.webdatacommons.org/130135627

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	Buoys and floats were made traditionally from iron, but are now available in plastic materials such as polyethylene.
http://www.w3.org/ns/prov#wasQuotedFrom	globalspec.com