About: http://webisa.webdatacommons.org/335404207

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	BOTH should be within tolerance. sometimes, and in this case, there is a slight bow in the mounting rail towards the middle.
http://www.w3.org/ns/prov#wasQuotedFrom	machineryrepairshop.com