About: http://webisa.webdatacommons.org/325045561

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, they are geared to detect different types of fires so for maximum protection you should have a combination of both photoelectric and ionization alarms.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com.au