Also, since the unit chassis would not interfere with each other because of the improvement of the sagged structure, it is more advance and usable than any other tool in the industry.

• 所以由此可证实本文之创新结构具有新颖性；又因改善下陷结构使机壳不会产生互相干涉及减少短路当机的机率，故也较其他工具更具进步性及产业利用性。