2, regardless of the material, regardless of the form, we must speak. (In order to make the overall effect beautiful, it can be made into a bottle stopper; If it is to resolve the top of the beam, there is no need to talk. )
3. It is recommended to check the numerology and the location of the house before placing it, and choose a more suitable orientation (unnecessary, because the gourd is almost beneficial in geomantic omen).
4. If it is not necessary, try not to put copper gourd in the south, and try not to put wooden gourds in the west. (In practical application, it depends on the orientation of measurement. )