About: http://webisa.webdatacommons.org/395539714

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	The wafers must be cleaned between the lapping and etching steps to remove contaminants such as lapping grit.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com