For a few months now, every school eraser I find has been kind of melted. It is covered with a kind of sticky mucus coming from the rubber. This applies to the erasers I use every day, as well as those lying in the drawer for six months. Will someone explain to me why this is happening?

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Submitted November 07, 2020 at 05:02AM by facety_w_czerni https://ift.tt/32nvx69