How Much You Need To Expect You'll Pay For A Good ท่อน้ำฝน
Use wood stakes and Mason’s line or chalk line to make a square or rectangular condition within the marked location. Be certain the formwork is stage and safe. Though building the formwork, make allowance to the slope to the center with the drain.สมัครเป็นผู้ขาย ติดต่อและร้องเรียน