About: http://webisa.webdatacommons.org/43099465

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	It has an entire chapter devoted to gears and drawing gear teeth for different types of gears.
http://www.w3.org/ns/prov#wasQuotedFrom	homeshopmachinist.net