After accepting the hairy hag's offer to help, the women watched in surprise as she repeatedly placed raw hemp fiber into her mouth and pulled out finished yarn.

To decrease the effect of temperature on fiber coil, we adopted the technology and method of quadrupolar winding, and we have finished several fiber coils.

The fabrication of FBG in four different type photosensitive fiber through phase mask is finished successfully and the photosensitivity of the four-type fiber is studied.