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).
The hours that 16- and 17-year-old minors may work is not limited, except that they may not work during hours they are required to be in school. In addition to maximum hours and time of day restrictions, no minor (17 and younger) may work longer than 6 consecutive hours without a 30-miunute duty free meal period.