About: http://webisa.webdatacommons.org/193330000

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 fritted fluxes and the crystal stuffing are then mixed in the desired percentages and ground, such as in a ball mill, for a period of approximately three (3) to four (4) hours.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com