About: http://webisa.webdatacommons.org/35741593

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	Questions include: Do they work as expected when under way in the pitch, roll and yaw of the sea; where do they fit on an already built ship; what are the safety hazards, especially fire, when using them on metals, for example.
http://www.w3.org/ns/prov#wasQuotedFrom	usni.org