nitrogen

With liquid nitrogen, of course.

What remains of the atmosphere is mostly nitrogen, at about 3 times earth’s surface pressure.

Mars' soils are alkaline and lack the vital nitrogen compounds that plants need to grow.

We need a second green revolution, being able to take nitrogen from the air and combine it to make ammonia and fertilizer.

A weird spectacle, enjoyed by no one unfortunately, unfolds as the atmosphere turns into Nitrogen and then oxygen snow.

So, now habitats need to be pressurized and filled with an artificial atmosphere made of nitrogen and oxygen -- Which comes with more problems.

And already we're trying to use quantum computers to unlock the secret of how to make fertilizer from nitrogen.

The clever solution they used was to freeze the oil using liquid nitrogen, which is usually around -200C or -320F, creating solid plugs on either end of the section to be repaired.

And you could power with a small air compressor like this, or you could just rent a large nitrogen container like this for about 30 bucks, and that'll give you 10 minutes of runtime.