Most Mandatory PPE'S is Safety Helmets. In Industrial work it is necessary for everyone to wear helmets before to factory area site while it is mandatory while working in site area not only in construction work it is everyone responsibility to wear safety helmets.
In the following categories you can easily recognize what kind of worker or personal is in the working area.
White
Managers, foremen, engineers or supervisors usually wear white hats on site.
Green often signifies a safety inspector but can also be used by new workers on the site or probationary staff.
Yellow
Yellow is the color for general labour and earth moving operators.
Blue
Carpenters and other technical operators including electricians will normally wear blue hard hats, while orange is
worn by road crews.
Red
Red is for safety Personal and fire fighters