Question: To remove rust from drill bits
Options:
scrub off the rust using a scrub brush or cotton ball.  Soak the drill bits in vinegar.  Wipe off remaining rust.
scrub off the rust using a scrub brush or scouring pad. Soak the drill bits in vinegar. Wipe off any remaining rust.
Answer: scrub off the rust using a scrub brush or scouring pad. Soak the drill bits in vinegar. Wipe off any remaining rust.