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: When public school is in session, minors may work a maximum of 3 hours per day on school days and up to 8 hours per day on Saturday, 8 hours on Sunday and 8 hours on non-school days, when a school day does not follow.