1. Cautions in routine maintenance: Keep articles that are prone to rusting away from prolonged contact with the kitchen sink. Clean the kitchen sink after each use and wipe it dry with a cloth. Try to keep the kitchen sink surface as dry as possible.
2. Unexpected behaviors in cleaning: To remove mineral deposits on the bottom of the kitchen sink, use diluted vinegar. Afterward, rinse with water. Avoid using steel wire balls or abrasive cleaning materials to clean the kitchen sink.
3. Unexpected behaviors in routine maintenance: Avoid leaving pickles, other pickled foods, mayonnaise, or mustard in the kitchen sink for extended periods of time. Also, do not leave rubber placemats, wet sponges, or cleaning sheets in the kitchen sink overnight.