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There is no need to hide on this drawing, such as Gao Tiangenlan flue factory, specializing in the production of fireproof flues.
Ordinary families should not forget to install water purifiers. Someone said: We drink tap water all the time. >>>More
Hello! No! The function of the union is: it can be flexibly disassembled and installed, which is convenient for maintenance and replacement. Not a straight head!
The engineering quantity of the toilet ventilation duct and the kitchen flue, that is, the height should be calculated from the first floor to the height of the roof plus 600 mm, and the drawings are marked according to the drawings.
Please refer to the L05J atlas for construction, which is very comprehensive.
Forget it, generally speaking, a space should have a window for ventilation.