All you need to know about building a webdevelopment environment on OSX
The reactor will throw out every other Oxygen. Therefore tehre is still an excess of Oxygen which needs to be dealt with. The long pipeline is enough to buffer it.
These are my solutions to the game SpaceChem. I haven't played this for over 8 years, so solutions might be out of date -- the game mechanics changed over time, so solutions might require some tweaking. All imagery is content from the SpaceChem game, and all copyrights are reserved to the creators of that game, please visit spacechemthegame.com for more information.