About: http://webisa.webdatacommons.org/247699365

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	First, there are two main types of face mask: standard surgical facemasks, and N95 masks.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com