Pathetic
You missed lower engines, upper engine, weapons, and shields.
Reactor top vent goes to upper engine and upper engine goes to reactor top vent,
Reactor bottom vent goes to lower engine and lower engine to reactor bottom vent.
Medbay electrical and security share a triangle vent system, all can vent to each other.
Cafe hallway and admin also can all vent to each other.
Weapons vents to the top vent of nav and likewise.
Shields vents to the bottom vent of nav and likewise