About: http://webisa.webdatacommons.org/296338051

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	Coal dust is a mixture of coal dust, other dusts from the surrounding geological strata (usually clays) and quartz.
http://www.w3.org/ns/prov#wasQuotedFrom	tuc.org.uk