I believe it is B.) One every 3-5 seconds. This includes all mirrors, not just the rear view, though I may be wrong, sorry if I am!!
When i was little, when id go to the doctor, they'd always explain to me how to wash my hands properly. Start by turning on loop warm water then proceed with putting soap in your hands. Rub around all corners of your hands. Get in between your fingers and try to get under your nails.
The first step would be to turn on the water, IF your going step by step.
Have a great day!
Nervous control, renal regulation, and chemical controls.
They are more likley to do work and get along with other workers.
Also this is more of a business question
