400
A food handler who spends an entire shift forming hamburger patties should change gloves:
a. after 1hr, because the gloves attract a build up of pathogens.
b. every 4 hours during continual use, & more often as needed.
c. at the end of the shift, when working on a single task.
d. every 6 hours to avoid wasting gloves
What is "b"- every 4 hours during continual use and more often as needed.