About: http://webisa.webdatacommons.org/153197094

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	It contains a mixture of metals such as silver, copper and tin, in addition to mercury, which binds these components into a hard, stable and safe substance.
http://www.w3.org/ns/prov#wasQuotedFrom	ada.org