About: http://webisa.webdatacommons.org/333774233

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	Ceramic, plastic or glass only, and no iron in the water (I have not tried really hard water, so I do not know if calcium or magnesium are a problem).
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com