To cure disease seems to wash clothes. Don't imagine that is possible for clothes to be washed clean if sewages, greasy spot are being added continuously while clothes are being washed.

Repair team inspecting the engines and electric systems which failed while the Triumph was off Mexico Yucatan peninsula, cleaning crews are also removing the raw sewages in the hall ways.

Starting from the analysis on the components and discharge amount of the sewages from the power plant, this paper sums up the emphasis of environmental influence evaluation of the power plant.