| http://www.w3.org/ns/prov#value | - First, the overlapped edges prevent dirt, water or other unwanted stuff entering into the pouch body 10???; second, the overlapped edges fold the waste bags when it is pulling out, this increases the friction force and prevent more waste bags being pulled out, and keep a portion of the next waste bag 5??? remaining in the slit 41???for the user???s convenience to pull out next time, other wise the
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