1. To date, there is no unifiable naming, classification and diagnostic standard all over the world.

2. Up till now, the estimating method has no unifiable understanding. For this reason much controversy is often given rise to .

3. Determined by the system work pressure however, the range of separate water supply will be practical and unifiable with the range of water supply for sprinkler system.

4. The combustion efficiency is risen. At last, numerical simulation has been performed tor the cold and combustion condition. It is unifiable between numerical simulation and experiment results.

5. Our vision is to manager 3D spatial objects by relational database management system and to manipulate the 0-dimensional object, 1 -dimensional, 2-dimensional, and 3 -dimensional in unifiable manner.

6. Determined by the system work pressure however, the range of separate water supply will be practical and unifiable with the range of water supply fors...