The S-IVB also continued to thrust at a minimal degree by venting gaseous hydrogen, to keep propellants settled in their tanks and stop gaseous cavities from forming in propellant feed lines. This venting also preserved Risk-free pressures as liquid hydrogen boiled off inside the gasoline tank. This venting thrust https://hearables32074.thezenweb.com/considerations-to-know-about-apollo3-blue-71967134