Drilling hole steel pipe or PVC pipe. For the pipe hole near the end of circular pipe lathe wood should be used in the inner pipe to prevent the hole in the torn fin. Which can be seen from the outside, beautiful.
The holes in the pipe or PVC pipe for a pipe near the end of the tube should be inserted in the pipe, wood turning round to the secondary side of the tear holes in the fins. This can be seen from the outside, beautiful.
Drilling hole steel tubes or PVC pipe for pipe hole near the end of the pipe should be used to support the สอดใน wood lathe round pipe inner hole inside the torn from fin. Which can be viewed from the outside, and beautiful.