| 1 | In this article, the development of singeing process and apparatus of China is reviewed. | |
| 2 | The whiteness could be further improved when combined with singeing, setting and brightening. | |
| 3 | It is also important to singe knitted cloth to obtain a smooth surface. | |
| 4 | Since burning entails oxidation, this process may be thought of as a chemical process. | |
| 5 | These are standard threads which have had the rough fibers 'gassed' off and which have been immersed in caustic soda to swell the fibers. |