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).
409.110 Minor under 16 years; days and hours of employment. Sec. 10. A minor under 16 years shall not be employed in an occupation subject to this act for more than 6 days in 1 week, nor for a period longer than a weekly average of 8 hours per day or 48 hours in 1 week, nor more than 10 hours in I day.