About: http://webisa.webdatacommons.org/212467814

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	Crush chalk and mix it with water to make a sort of paste and make marks with that on black paper.
http://www.w3.org/ns/prov#wasQuotedFrom	eyfs.info