About: http://webisa.webdatacommons.org/391620406

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	Buoyancy could also be achieved by making the anchor 12 of a material less dense than water, such as wood or light plastic, or by some combination of the two means.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com