It reveals the unusual laws of this region and regionalizes the key earthquake hazardous areas.
Water-proof adhesive glue should be filled in the inner cavity of junction boxes at wet areas. Connection ends of the parts in hazardous areas shall be added explosion proof daub.
Explosion hazardous area 2 usually adopts safety-increased explosion-proof fluorescent lamp.
Take notice of every warning sign. Striding over the hazardous area is not allowed.