Quite often in everyday life people, far from aviation ask me a question “Is it true that on the plane like on the train everything (from the toilet) goes out?” Seriously, if we can see the tracks through the toilet hole on the
train, it’s probably not working the same way on the plane. Does it mean that the products of our life activity don’t fly outside? First, let’s see what we have on the plane to keep everything clean and hygienic.











