About: http://webisa.webdatacommons.org/194385658

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	However, many types of latch mechanism are complex which makes them costly to produce and maintain or means that they are prone to failure.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com