According to accumulative total, by 2004, xi Ling hill 6 villages appoint precious jade civilian build firedamp pool in all 550, transform a Chai Zao 480, use liquefacient kitchen range 108.

• 据累计,2004年底,西岭山6个村委瑶民共新建沼气池550座,改造节柴灶480座,使用液化灶108座。