About: http://webisa.webdatacommons.org/284929255

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	At the beginning the synthetic dyes were used only in the production of textiles but in 1900 for the needs of the food industry in the USA there were already used around 80 synthetic dyes which were mainly derived from coal tar.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com