Drill gets through to escape shaft to rescue miners

The video begins with a casual greeting and setup, followed by a brief discussion about the weather.

What do you think the speaker is referring to when they say 'Open. Yeah there OK?'

What might the speaker mean by 'that's it.'?

How does the speaker express their reaction with 'Ah.'?

What could the speaker be implying by saying 'Weather you get more.'?

What is the significance of the phrase 'Oh yeah.' in the context of the conversation?