what can you use to redress a flat tip screwdriver if worn?\ngrinder\ntorch\nwhetstone\nthey cannot be…

what can you use to redress a flat tip screwdriver if worn?\ngrinder\ntorch\nwhetstone\nthey cannot be redressed
Answer
Brief Explanations:
A grinder can be used to reshape and redress a worn - flat tip screwdriver by removing material and restoring its shape. A torch is used for heating and not for redressing the tip. A whetstone is mainly for sharpening blades and not ideal for screwdriver tips. Flat - tip screwdrivers can be redressed.
Answer:
A. Grinder