[Life of a Korean plumber] Making a hole in the middle of the tile.

Hello?
This is the plumber's Vlog channel, Seol-Vlog.
When you partially construct tiles during water leakage work,
The part where the water supply is connected, and the tiles that are to be attached to the valve and piping.
There will be a situation where you have to hit a ball.
Prepare the tiles according to the situation?That's the video.
For those who are busy...
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