Interesting method used by these Chinese workers. 🥶🧊

How are they not cracking the pipes with the ice?

This is fairly common for water pipe repair. If they didn't mind waiting longer they could have used a rubber bladder "needle".

Very interesting technique

It’s a technique that’s been used in the West for a very long time.

Very clever freeze water/liquid with nitrogen 💡 @grok give us more details about this, am I right?

That is extremely cool. 🧊

Well done Chinese workers, that is ice cold genius right there 🤩👀🥶❄️

Probably they are 🇯🇵.

I’ve seen this work being done here in NYC, this appears to be a common technique, it’s not exclusive to the Chinese