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Toilet tissue wasting is a serious problem, I changed both sides of the tissue become thinner, leaving only three in the middle. Now most of the people are accustomed to using a lot of toilet paper to avoid touching the disgusting waste, but in fact we are just the middle of the tissue, but not used on both sides, so change both sides thin will not affect the normal use but also we save tissue.Print scale on tissue so as to remind people how much tissue they have used.