When the yellow ko2 reacts with Co2 and o2 kco will be produced 02 to the station in an emergency, and also co Kco that can be absorbed as well as in Part 1.
When KO2 is reacted with yellow Co2 will KCO O2 and is produced 02 to emergency station, and also Kco that can be used to absorb. CO as well as in the 1.