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).
Minors under 16 may work 8-40 during non-school day or week. 8-30-6 during schoolyear. 7 p.m. before school day to 7 a.m. on school day (9 p.m. during holidays and summer vacations to 7 a.m.). 11 p.m. to 6:30 a.m., before school day.