About: http://webisa.webdatacommons.org/337452729

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	Second, chemicals such as iron, manganese, and sulfides can lead to coating of the lamp/sleeve (effect).
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com