About: http://webisa.webdatacommons.org/136616349

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	Math is always a challenge.??? Shoup says jobs such as welding and machining require the ability to measure materials and perform calculations.
http://www.w3.org/ns/prov#wasQuotedFrom	tspr.org