Description: Wood structure :responsibility for structure safety( stability ,absorb windforce and earthquake) Wall and Roof : shelter for wind , rain,and heat.it consist of soil and matchwood.

• 小苏打：使在调配填料时可以用比较少的水，达到所需的混合度(墙可能乾得快一点），在乾燥地区或季节，就不必这样做。