you know hand-washing is something that first of all. the key is that you want to obviously use soap or an alcohol gel but we’re doing soap here and you water you want to cover all the surfaces you want to make sure that you’re rubbing your hands together for at least 20 seconds. you want to make sure you get all areas of your hand including nails. I’m gonna show you. you want to make sure, you use enough soap okay so get a nice lather I’m making sure all surfaces are covered you can see I’m going in here and making sure the nails. I’m going to make sure the thumb is well. you can use cold or warm water that’s probably not a critical part this it’s not really important whether you air dry your hands or use a paper towel that’s it.