Assertion: coffee grinder's burr | /r/MadeOf | ceramic
Facets:
value: usually
type: DEGREE
Source sentences:
text: Most do not use burrs made of ceramic or metal, but instead use “false burrs” with sharp cutting blades that chop up the beans into uneven sized grounds, just like a blade grinder.
text: Burrs are generally made of either high-quality stainless steel or ceramic.
text: Burrs: Made of ceramic, I haven't had any problems with them.\
text: Burrs are usually made of one of two materials – steel, or ceramics.