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.
the fair labor standards act flsa sets wage hours worked and safety requirements for minors individuals under age 18 working in jobs covered by the statute the rules vary depending upon the particular age of the minor and the particular job involved as a general rule the flsa sets 14 years of age as the minimum age for employment and limits the number of hours worked by minors under the age of 16