a long slender part, such as the portion of a long bone between the wider ends or extremities, the shaft of a hair and the central shaft of a feather.
maximum number of hours for 16- and 17-year-old minors is 4 hours on a school day (6. hours with a special variance), 8 hours on a Friday or any non-school day and not more. than 6 days per week. The maximum number of hours of work for 16- and 17-year-old. minors is 20 or 28 (with the optional special variance).
Such a permit can be issued only by the superintendent of the school district where the minor is enrolled. Minors under 16 can work between 7:00am and 7:00pm during the basic school year, but between June 1 and Labor Day, the evening hours are extended to 9:00pm.