Basic aeronautical engineering (My Experience) pt 2

So there are a few things I forget to tell you AEROPLANES ARE STUPID CRAZY (Like check this picture and name all of the things inside) There is a service ceiling (maximum altitude) for each aircraft like for passenger aircraft it is like 35,000-45,000ft. SO THERE IS A CATCH In higher altitudes (like 35,000) YOU NEED TO WEAR AN OXYGEN MASK! (Side note I HATE masks) AND THE WORST PART IS SOMETIMES IT NEEDS TO BE DEPLOYED MANUALLY?! Like if a pilot forgets to deploy it, you're doomed but don't worry it will never happen :) So what is your favorite aircraft? Airbus A320? Boeing 747-400? Airbus A380? You've probably never experienced it. Like me :( Oh yeah there is a company I want to talk about AIRBUS It is one of the most or the most successful airplane manufacturer The reason I wanted to talk about this is b...