👉 Frottages, also known as frictional damage, is a phenomenon in which materials that are rubbed against each other can become damaged. This occurs when the contact between two surfaces is reduced, leading to an increase in friction and subsequent wear or cracking of the material. For example: - A rubber glove rubs against another pair of gloves, causing them to rub against each other more vigorously than before. - The same happens with a metal plate rubbed against a plastic plate. It becomes harder and less
