DETAILED NOTES ON ท่อน้ำฝน

Use wood stakes and Mason’s line or chalk line to make a square or rectangular shape around the marked area. Be certain the formwork is amount and protected. Although building the formwork, make allowance for your slope to the center from the drain.สัมผัสประสบการณ์จิบน้ำชายามบ่ายสุ