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.
Minors under 16 years of age are limited to the maximum hours and time of day restrictions even though they may work for more than one employer during the same day or week. Minors under 14 years of age are allowed to work in certain occupations (e.g., street trades, agriculture, and work in school lunch programs.hese minors are subject to the same hourly and time of day restrictions as minors who are 14 or 15 years of age. Minors under 18 years of age may not work more than 6 consecutive hours without having a 30-minute, duty free meal period.