This data is the detailed drawing of the wall protection and sealing of exposed and concealed pipes, including the detailed drawing of the wall protection and sealing of concealed pipes, the detailed drawing of the wall protection and sealing of concealed pipes, the laying of the lighting concealed pipes at the mouth, the incoming line of the side wall of the cable concealed pipes at the mouth, the plan of the reserved spare wall pipes at the mouth, the detailed drawing of the sealed wall pipes (asbestos asphalt filler), the detailed drawing of the wall protection and sealing of exposed pipes, etc. The design is accurate and the content is detailed, It is available for designers to download.