About: http://webisa.webdatacommons.org/279200177

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	Work and MachinesInformation about simple and compound machines, including types of machines, work, efficiency, and mechanical advantage.17.
http://www.w3.org/ns/prov#wasQuotedFrom	ck12.org