About: http://webisa.webdatacommons.org/320863812

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	I imagine that the more expensive units would capture the nut so that all you would need is a screwdriver.
http://www.w3.org/ns/prov#wasQuotedFrom	electro-tech-online.com