Please choose the correct ending to complete the given sentence: Health: [header] How to use a nebulizer [title] Wash your hands. [step] Start by washing your hands for 20 seconds with soap under running water. Rinse your hands and dry them off with a paper towel.

Ending1: Turn off the faucet using a paper towel. [title] Place the medication into the nebulizer. Ending2: Be sure to wipe the wet area of your body. [substeps] It's important to protect yourself from risk of getting infected with senegal bacteria, as dirty hands may also spread the bacteria. Ending3: Use warm water with antibacterial soap to wash all of your hands without getting any soap on them. Let the bacterial soap sit on your hands for 20 minutes and then rinse your hands with cool water from the sink. Ending4: [substeps] If you don't have a paper towel, use a hand towel to dry them. You can also wash your hands while wearing disposable gloves.

Answer format: ending1/ending2/ending3/ending4