Mark reaches to the side of the helmet to get the breach kit. He opens it valve and sticks its wide end over the hole. The resin puts a seal on the breach while air escapes through the valve. In the meantime, he has to pull out the antennae that injured him so that it doesn't interfere with the process. He eventually makes it back to the Hab, where his oxygen is finally equalized. He then comes to run a diagnostic on the oxygenator, which he plans to use instead of his space suit to absorb carbon dioxide when he goes out again. It's said to last for 30 days, since there's only one person instead of six.