Resumen de PCB: un riesgo a evitar
In the late 60's scientists were worried about the possible effects of PCB's on human being and on environment. This material, synthetized for the first time in 1881, is used in glue and paint industries and electrical materials, but above all it has been used as insulant of electric equipments. The author explains in this article the qualities of PCB's and the possible danger derived from its use. The most common way to remove it is the incineration.
