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 14 and 15 years of age may work: 1  Not more than 3 hours per day on a school day, and 8 hours per day on a non-school day. 2  During a school week, not more than 18 hours per week. 3  On school days and the day before a school day: Between 7:00 a.m. and 7:00 p.m.