So, you know how we need air to breathe, right? Well, air is made up of different things like oxygen, nitrogen, and lots of other stuff. Sometimes, people need a lot of oxygen for different things like when they're sick or if they're going into space.
That's where an oxygen plant comes in! An oxygen plant is like a magical air-catching machine. It sucks in lots of air, just like you do when you take a big breath, and then sorts out all of the different stuff in the air until it's left with just oxygen.
Then, the oxygen plant takes all of that pure oxygen and stores it in tanks (kind of like big, metal water bottles) so that people can use it when they need it. It's like having a special reserve of air that's just for oxygen!
Pretty neat, huh?