... as high as possible, because the higher it is ,the higher the windspeed will be, and the air current will be more ... .8Mx0.8Mx1M,to avoid the ground sinking.If groundwork is soft with sand,dig a hole of 0.8m*0 ... .8mx1.2 m,spread thick of 40cm on the bottom and make ... bad weather such as typhoon,we suggest to lay down the pole to prevent unpredictable accident.(5)After operation for ...