From a building that resembles a building with 2 floors, and a large room with a ceiling level gradient air conditioning work must therefore be effective and suitable for the number of people in the building.
The building style that resembles a two-story building and the rooms are large. The ceiling has a gradient Air conditioning is used, it must be effective and appropriate to the number of people coming into the building.
From the style building with a building 2 floor, and a large room ceiling level is ไล่ระดับ. Air conditioning, which used the highly effective and appropriate to the number of people who come inside the building.