Not very long
Can one be clean after 84 hours
7 hours in school 7 hours in school 7 hours in school
10
24 hours a day
8 hours
10 - 12
8hrs.. same to men workers or employees
24/7
It varied.
Although construction was going on 24/7, individual workers worked eight hours per day.
There a 6 hours of school in Anne Arundel County, Maryland.
About 6-7 hours