About: http://webisa.webdatacommons.org/388140612

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	valve springs are like any other sort of spring.... they wear out over time. just like the springs in a mattress, springs on a strut etc..
http://www.w3.org/ns/prov#wasQuotedFrom	ultimatesubaru.org