The ท่อน้ำฝน Diaries
Use wood stakes and Mason’s line or chalk line to create a sq. or rectangular condition across the marked area. Be sure the formwork is amount and safe. Even though setting up the formwork, make allowance with the slope in the direction of the center of your drain.เมื่อน้ำฝนหล่นกระทบกับหลังค