| 摘要 |
The present invention is to increase cutting force by reducing a contact area and quickly discharging heat. The disadvantage of the present invention is to possibility of damage. Thus, the present invention is formed as an R-shape. The best advantage of the present invention is to save the fuel of an engine. Keyang Co., Ltd., (Domestic small or medium-sized business which manufactures various tools) I as an inventor asks the company to transfer the half of the company stock to me. You can understand the present invention with a grinder and a waterfall. 10% is research and development costs. |
