CN
Concerns on hygienic situation of potable water quality in ru-ral areas
Time : 03-01-2016  Traffic:0
When I went back to my hometown in the Northeast during this Spring Festival holiday, I got water samples from nearby village into bottles. In less than 3 days time, the water samples became cloudy. Compared with municipal tap water, the difference between the 2 water samples is very clear.
According to analysis on the water sample variation, we come to a conclusion that the water in this village contains large amount of dyadic iron ions and other surpass-criterion materials. About two years ago, I already learned that relevant people in this village were suffering drinking water shortage and could not source applicable drinking water, although it is a relatively affluent village. It is no difficult to image that things may be even worse in other remote poverty-stricken rural areas. It causes great harm to people health to drink this kind of water. 
无码国产一区二区久久久99|无码高潮少妇多水多毛|国产日韩欧美在线视频|亚洲国产一区二区三区AV