About: http://webisa.webdatacommons.org/7051283

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	Silica and calcium are also useful in displacing some heavy metals such as lead and aluminum.
http://www.w3.org/ns/prov#wasQuotedFrom	curezone.org