About: http://webisa.webdatacommons.org/420508305

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	Genesis of visible imperfections often stems from peculiarities, realities or imperfections in the mechanical device or system, such as loose machining tolerances, random variation of real systems, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es