About: http://webisa.webdatacommons.org/18360704

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	Tests samples, materials, or products, using test equipment, such as thermometer, voltmeter, moisture meter, or tensiometer, for conformance to specifications.
http://www.w3.org/ns/prov#wasQuotedFrom	occupationalinfo.org