Just as the last light flickered toward darkness, a loud clunk echoed through the shafts. Stinky let out a muffled cheer through his mask. The new Electrolyzer hummed to life, venting a fresh, cool mist of oxygen into the main shaft. For now, the pressure was holding.
The rhythmic thump-hiss of the Algae Deoxidizer was the only heartbeat the colony had, and today, it was skipping beats.
"Well," he wheezed, picking up his multitool. "Back to work."