About: http://webisa.webdatacommons.org/271365069

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	Manure, metal and other materials are used to cover the fire and block all air passage, thus oxidizing the pottery.
http://www.w3.org/ns/prov#wasQuotedFrom	nativeamericanencyclopedia.com