Sometimes the air blow hand dryers feel like an asthmatic mouse is doing it but if you're lucky enough to get an 'Airblade' your hands will be dry in seconds !
It's the former item you mention that requires me to vote 'tissue/paper towel'.
Of course, there is always the chance that there are non left, in which case a thorough shaking of the hands, followed by a final dry with the clean hankerchief that I always have about my person....if I have a cold, then I suppose I'd just have to put up with 'slightly moist' hands for a few minutes
