About: http://webisa.webdatacommons.org/125782335

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	To grind hard materials, such as ceramics or carbide, it is essential to have a stiff machine.
http://www.w3.org/ns/prov#wasQuotedFrom	sme.org