About: http://webisa.webdatacommons.org/25636882

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	Nickel is an important kind of metal and a necessary trace element in people's production and livelihood; it is also a well-confirmed human carcinogen.
http://www.w3.org/ns/prov#wasQuotedFrom	nctu.edu.tw