China Naming Network - Eight-character fortune telling - What's wrong with the mother and son's high outside and low inside?
What's wrong with the mother and son's high outside and low inside?
Safety hazards, health problems.
1. Safety hazard: The doorsill with high outside and low inside on both sides of the entrance door is unevenly installed, which may easily trip the entrance door when opening and closing the door.
2. Hygienic problems: the height difference between the two sides of the entrance door is large, which will lead to uneven ground and easy accumulation of water, dust and garbage.