It can be permanently mounted, fits in with highly-building, on the roof, forbiddenarea of dangerous, equipment of machine and so on.
螺钉固定,适用于高架物体、大楼顶端、危险禁地、机器设备等定点警示。
3
The fire-forbidden areas of the archibald are classified comprehensively. The forming reasons and characteristics of each kind of fire-forbiddenarea are analyzed.