About: http://webisa.webdatacommons.org/454920580

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	Additionally, the captive screw 302 has a head portion 307 extending from the shaft portion 306 that is adapted to accept a tool such as a screwdriver or wrench used to tighten the bearing assembly to the mounting hub of the base deck.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com