About: http://webisa.webdatacommons.org/110902813

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 floats may be of any suitable material, such as for instance an expanded closed cell synthetic resin.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com