Assertion: callus | /r/CreatedBy | friction
Facets:
Source sentences:
text: Corns and calluses are caused by pressure or friction on your skin.
text: Corns and calluses are caused by pressure or friction on skin.
text: Calluses and corns are caused by repeated pressure or friction on an area of skin.
text: A callus is an area of thick skin that is caused by friction or pressure.
text: Corns and calluses are caused by pressure or friction on your skin.