Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to preserve newspaper [title] Keep the area clean. [step] Handling delicate newspapers that you want to preserve requires a lot of care and extra precautions. This means washing your hands before touching the newspapers to remove any possibly damaging residue on your hands.

Ending1: One advantage of wet newspapers is that these are like regular paper, with only a few layers of gauze added to improve absorbency. [substeps] Wear gloves when handling wet newspaper for the fastest preparation. Ending2: This also prevents yourself from burning your hands while you're handling fragile newspaper or other materials. [substeps] Do not wash your newspapers more often. Ending3: After washing them, you should take them to the dry cleaners where you won't have to deal with accidental exposure or infection. [title] Be very careful when handling delicate newspaper. Ending4: You should also have a clean workspace-like a big, clean table-to use while handing the newspapers. [substeps] Make sure your hands are dry before touching the newspaper, especially if you just washed your hands.

Answer format: ending1/ending2/ending3/ending4