About: http://webisa.webdatacommons.org/214184475

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	Left unchecked, it can easily grind away any surfaces that rub together, such as cam lobes and valve lifters, valve stems and guides, piston rings and cylinder liners and, of course, bearings.
http://www.w3.org/ns/prov#wasQuotedFrom	landlinemag.com