人造纤维

Caps should only be made of black cotton poplin, broadcloth, rayon, or silk, to match gown they are to be used with.

帽子应该只用黑色棉府绸，精细棉布，人造纤维物或者丝绸来衬长。

It s also used as a component for the fabrication fiber, and an creodont for the removal of exposed lead circurt board.

属加工工业中用来制所需的熔、属的表面处理、制铝钛硼合，砂轮和研磨盘的成分，以此降低操温度，还用棉花和人造纤维的及印刷电路中清除露出铅的侵蚀液。