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Opening aluminum window and aluminum door by wet hands

Door locks are opened or closed with wet hands, or the excessive force is used in the opening or closing process, or if opening is not flexible in the process of opening the door, repeatedly and vigorously twist the key and so on. Since aluminum door and aluminum window hardware accessories mostly are made of materials  metal materials, a lot of stains left on the door or door handle will cause metal parts to rust and to affect the of doors and aluminum windows when a wet hand opens the door or unlock the lock.