<http://webisa.webdatacommons.org/15109286>	<http://www.w3.org/ns/prov#value>	"In these cases it is preferred to coat the upper surface 67 of the plate with a suitable protective layer made from ceramic, porcelain or other suitable material." .
<http://webisa.webdatacommons.org/prov/44773412>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/15109286> .
<http://webisa.webdatacommons.org/prov/411100449>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/15109286> .
<http://webisa.webdatacommons.org/15109286>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/15109286>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .