About: http://webisa.webdatacommons.org/269700581

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	...Performs any combination of following tasks as directed by workers engaged in crushing, sampling, smelting, refining, loading, and moving ore and other materials, and cleaning machines equipment.
http://www.w3.org/ns/prov#wasQuotedFrom	dutiesjob.com