Its for biology, and i need the exact time length|||From what I have been told you need to scrub with soap for 20 seconds.|||...|||Are you talking about for disinfection purposes? When I was working as a nursing assistant, we were told to use VERY hot water, to wash from the fingers to the wrist, keeping our hands under the water and to do this for a minimum of 30 seconds before rinsing. We also had to have paper towels at the ready, to turn OFF the faucet and to wipe our hands (no air drying)|||30 secs for each hand. a total of 1 minute. (incase you cant add)|||i don%26#039;t know.
how long does it take for you to sing the abc%26#039;s or happy birthday to yourself?
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