About: http://webisa.webdatacommons.org/252883819

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	I think it is a great way to provide safety especially in schools to use such products for the students' safety in case of this unpredictable calamity. pmc
http://www.w3.org/ns/prov#wasQuotedFrom	dezeen.com