About: http://webisa.webdatacommons.org/321578212

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	Attachments are made using screws, and in order to change his visor assembly the pilot must use tools such as screwdrivers firstly to remove the assembly from the helmet, and secondly to remove visors from the assembly.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com