About: http://webisa.webdatacommons.org/196336454

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	In response to recent regulations, pigments are now free of heavy metals, such as lead and cadmium, which makes the decoration safer but unable to reproduce certain colors.
http://www.w3.org/ns/prov#wasQuotedFrom	ceramicindustry.com