About: http://webisa.webdatacommons.org/61422580

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	The nut part and the top cover can have some means to attach them to each other and to protect them from being rotated in relation to each other, such as cooperating protrusions and recesses.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com