About: http://webisa.webdatacommons.org/216231504

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 weight 90 on the first end 86 of each flexible body 84 may be formed of a spherical member 106 formed of a relatively heavy metal, such as lead.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com