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 to 15 years of age may work up to 3 hours on a school day, 8 hours on a nonschool day, and 18 hours in a week, between 7 a.m. and 7 p.m. when school is in session, until 9 p.m. from June 1st through Labor Day, and as many as 40 hours per week when school is out.