Assertion: circular saw's blade | /r/HasProperty | clean
Facets:
Source sentences:
text: The blade must not be damaged in any way (warped, chipped teeth etc) and needs to be as clean and sharp as possible in order to reduce the amount of heat, friction and the chance of kickback – sharper blades can cut their way out of a potential bind situation.
text: To minimize the risk of kickback, double check that the blade is clean and sharp before you begin cutting, and always wear safety glasses and other protective equipment.