신기한 공구들/신기/굴의 정화기능/신기한 컵 VIDEO: The way these tools work./So much skill/God f*cking damnit

The way these tools work.

So much skill

1 oyster is capable of filtering up to 50 gallons of water a day. Here's a timelapse of water being filtered.

굴 1개가 하루에 약 4리터의 물을 정화시킬 수 있다.

God f*cking damnit

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