Assertion: pocketknife's blade | /r/HasProperty | sharp
Facets:
value: for long
type: TEMPORAL
value: under demanding use
type: OTHER
value: much longer than steel knives
type: OTHER
Source sentences:
text: Ceramic blades are commonly fragile but stay sharp much longer than steel knives.
text: As a rule of thumb, blades with a lower HRC number don’t hold their sharp edge for long under demanding use, but are easier to sharpen, whereas blades with a higher HRC value remain sharp for long and are difficult to sharpen.
text: There are only two ways to make a blade that has a sharp edge: use a material that is already hard, such as glass, or utilise a material that can be sharpened, like steel.
text: As a rule of thumb, blades with a lower HRC number don’t hold their sharp edge for long under demanding use, but are easier to sharpen, whereas blades with a higher HRC value remain sharp for long and are difficult to sharpen.