About: http://webisa.webdatacommons.org/219241231

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 nickel-iron battery uses an electrolyte of potassium or sodium hydroxide and contains no lead or other heavy metals.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com