<http://webisa.webdatacommons.org/prov/45356714>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/71917861> .
<http://webisa.webdatacommons.org/71917861>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com.br> .
<http://webisa.webdatacommons.org/71917861>	<http://www.w3.org/ns/prov#value>	"Even if the ball bearing is made of a ceramic material, particularly silicon nitride, friction becomes remarkable if no lubricant at all exists, because it supports the rotary shaft which rotates at an extremely high rotating speed." .
<http://webisa.webdatacommons.org/71917861>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .