再污染

Mankind is warned to stop spoiling the environment.

人类告不能再污染环境。

This paper introduced substitutes for lead,leadless frits and leadless glaze formulation design and making techniques,and then expatiated on firing of leadless glazes,plumbeous recontamination,etc.

介绍了铅的替代物、铅熔块及釉料的配方设计和加工制造工艺,对铅熔块釉的釉烧、铅的再污染等问题进行了阐述。