About: http://webisa.webdatacommons.org/82256229

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	Conventionally, a discharge type fluorescent lamp and an incandescent bulb used as the illumination device involve problems that a harmful substance such as mercury is contained, life span is short, and heat generation is violent.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com