The illumination of the inside and outside places of stations, docks, squares and building sites, esp. the illumination of the surface of landscaping and building sights.
The illumination of emporiums,supermarkets,halls and factory.
The illumination of low and medium factory buildings,warehouses and meeting rooms etc
The illumination of factory buildings,large-scale emporiums,supermarkets and other high and large halls.
The illumination of gymnasiums,industrial factory buildings and emporiums etc
