Research claims the pants had better be changed once in half a year

Research claims the pants had better be changed once in half a year
Research claims the pants had better be changed once in half a year
The little biologists of the countries all over the world have carried on research to the washing machine, a pair of dirty pants have 0.1 grams of excrement and urine equally, there are germs such as salmonella, Escherichia coli,etc. in the excrement, even wash, dry in air correctly, the bacterium above can not be totally killed either. So, generally speaking, use the high-frequency pants, had better change in half a year. If pants appear out of shape and material qualitative change stiff washing net situationing by spot, must change in time. (dawn strength)


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