Please choose the correct ending to complete the given sentence: Health: [header] How to remove a pin or tack from your skin [title] Find tweezers. [step] You should always use tweezers to remove a pin or tack in your skin. Do not use your fingers, as your fingers can slip and cause the pin or tack to burrow deeper into your skin.

Ending1: Select tweezers that are made for wires, such as a philips or british hubble pliers. [substeps] Tweezers made from natural materials work better, as they are more comfortable for working with hard surfaces. Ending2: As they dig deeper you can feel a sharp pinprick in the skin. Metal tweezers have a protective plastic tip. Ending3: Look for tweezers that have ends that meet exactly and are the same length. [substeps] Sterilize the tweezers with rubbing alcohol to ensure they are clean. Ending4: Look for tweezers made specifically for small areas of your skin. [substeps] Small areas can get infected easily, like the inside of the last fingernail and the side of your hand.

Answer format: ending1/ending2/ending3/ending4