What does the red helmet represent?
Has been down the tradition of safety helmet use general power plant (may be the vast majority of domestic power plant) are: leadership, production management department, operation red - yellow, blue and other maintenance, such as supply, orange, white, foreign visitors.
For ease of management, one department uses a helmet of the same color.
The safety helmet of power plant usually has several colors: red, yellow, blue, orange, white and so on.