About: http://webisa.webdatacommons.org/328798505

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	For example, isolation transformers are often employed to magnetically couple signals between a two-wire telephone line and the analog front end of a modem or other circuit while maintaining an appropriate level of electrical isolation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es