Assertion: pruning saw's blade | /r/HasProperty | sharpened
Facets:
value: on the outside edge
type: LOCATION
value: periodically
type: TEMPORAL
Source sentences:
text: The blade may also need to be periodically sharpened or replaced as the serrated teeth break down.
text: Another thing is that the blades will need to be sharpened, and they need to be sharpened by hand.
text: One blade is sharpened on the outside edge and it slips by a thicker unsharpened blade.
text: An anvil-type pruner comes with the upper blade (sharpened) that cuts on a flat surface.
text: Make sure that the blades are sharpened and oiled on a regular basis to keep the tool working correctly and avoid frustration and an accident.