About: http://webisa.webdatacommons.org/384080267

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	They are a new method of improving fire safety compared to conventional technologies such as passive protection and ventilation.
http://www.w3.org/ns/prov#wasQuotedFrom	tunnel-online.info