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.
Curfew: A minor under the age of 16 shall not be in public between 12 midnight and 6 a.m. unless with parent or guardian (MCLA 722.752). Criminal sexual conduct (CSC): Michigan law allows minors to consent to sexual activity if they are 16 or older (MCLA 750-520a-750.5201).