铅工业

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

在金属加工工业用来制所的熔剂、金属的表面处理、制铝钛硼合金，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阻燃剂及印刷路清除露出铅的侵蚀液。

Nonbiodegradable pollutants, such as certain chlorinated hydrocarbon pesticides (e.g.DDT) and heavy metals, such as lead, copper, and zinc in some industrial effluents, accumulate in the environment.

生物不可降解的污染，如氯代烃类杀虫剂（如DDT）和工业废水的重金属，如铅、铜和锌，在环境积累。

There are a lot of tellurium minerals in them, such as petzite, calaverite, hessite, altaite, tellurbismuth, rucklidgeite and sylvan.The grade of some section of ore body is up to industrial grade.

金含有大量的碲化物,如碲金银、碲金、碲银、碲铅、碲铋、碲铅铋和自然碲,部分段的品位达到碲的工业品位要求。