For living in housing, including villas, apartments, families of employees quarters and dormitories, single quarters of workers and students hostels. But does not include residential buildings as a civil air defense, unoccupied basement, etc., not including nurseries, wards, nursing homes, hotels and other special purpose housing
Residential building is not properly handle the man and nature relationship, properly handle the social relations between people, between the family and the family. Also consistent with the customs and beliefs. Harmony is the key issue, folk thought the only way to the family business thrive, Priliminary child, otherwise, consist in decline, heirs without following the disaster will occur is inevitable. Thus, in the long-term history of dust to form a series of folk taboos, rules and pay attention.