https://www.libtest.com/products/altitude-chamber/
LIB altitude chamber can simulate the air pressure at an altitude below 40,000 meters, and is used for combined temperature altitude humidity testing.
my articles from 2021 if there are typos or missing commas or incorrect information tell me and if you use my Articles tell me. G-rated
its from bad to good articles btw the cover isn't mine it's from @TomHollandsEyebrow28 i think that's how you spell it update: I'm lazy so this book is completed