About: http://webisa.webdatacommons.org/172134850

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	The nasal mask 13 is preferably constructed of silicone or other like material that is flexible yet resilient and that does not cause substantial skin irritation to the wearer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca