Why are the Windows to often open and should not be damaged and for the triangle

As housing "feng shui", make sure that all the Windows open easily.In daily life, should keep a window at least once a day, let the fresh air and light into the home.In order to ensure the health of habitant, the window must be repaired as soon as possible if there is any breakage, cracks or broken glass needs to be changed as soon as possible, because the Windows broken cause habitant eye disease.

Pointed the fire type window or triangle window, rare in the residential construction, due to too sharp and too lethality and unfavorable habitant living among them;And water type window are not used for residential housing, not too pursuit of novelty and the bedroom window into fire or water, or against curtilage shipment.