FIRE DIAMOND. People often notice a colored sign on a building called a fire diamond. Fire diamonds located on tanks and buildings indicate the level of chemical hazard located there. The four colors are blue, red, yellow, and white. The numbers superimposed over the colors rank the severity or danger, ranging from one to four, with four being the highest rating.
Minors aged 14 and 15 can work from 7:00 a.m. until 9:00 p.m. while 16- and 17-year-olds can be employed between the hours of 6:00 a.m. until 10:30 p.m. (11:30 p.m on Friday or Saturday or when not regularly attending school) for up to 48 hours per week of school and work combined.
Generally, youths must be a minimum of 14 years old for most jobs, however children as young as 11 can work as a golf caddy or sports referee. Children 13 years old can work on farms. Hollister said, âMichiganâs child labor laws were created to ensure the safety and well-being of the stateâs youngest workers.