Assertion: coffee grinder's burr | /r/MadeOf | ceramic or stainless steel
Facets:
value: typically
type: DEGREE
Source sentences:
text: The burrs themselves are typically made of ceramic or stainless steel and perform a lot longer than cheap metal blades.
text: The burrs are typically made of ceramic or stainless steel, leaving barely any heat to be produced during the grinding process ensuring that the coffee beans stay at the highest level of quality.