About: http://webisa.webdatacommons.org/452354771

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	They are actually caused by metal hitting certain types of material used to make dishes.
http://www.w3.org/ns/prov#wasQuotedFrom	cookinglight.com