Determines the youngest age at which an employee may perform the job duties below: 1>milking cow on a parents' farm 2>taking measurement for roof construction 3>working at a teller at a grocery store on M,T,W,4pm-7pm 4>performing as lead actor in a local play 5>Stocking shelves at a convenience store during the school year on Sat and Sun,6am-3pm? Thank you in advance.