There are several black streaks on the toilet floor tiles, like hair strands, which are touched by h

Updated on Toilets 2024-05-11
2 answers
  1. Anonymous users2024-01-23

    The bricks are not good or the decoration is not in place, and it will appear after living for a long time.

  2. Anonymous users2024-01-22

    The tiles are too poor, or the ground is sinking.

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