About: http://webisa.webdatacommons.org/322398690

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	These certificates are traceable to NIST and contain information such as type of weight, weight class, density, uncertainty, and environmental conditions at the time of calibration.
http://www.w3.org/ns/prov#wasQuotedFrom	scalesgalore.com