About: http://webisa.webdatacommons.org/441625997

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	As one can see from table 1[1], the highest technology level at that time included tools, machines and small firearms made of iron and other metals.
http://www.w3.org/ns/prov#wasQuotedFrom	energybulletin.net