The S-IVB also continued to thrust in a low degree by venting gaseous hydrogen, to maintain propellants settled in their tanks and stop gaseous cavities from forming in propellant feed strains. This venting also maintained Risk-free pressures as liquid hydrogen boiled off during the fuel tank. This venting thrust https://pet-health-monitoring-dev08529.articlesblogger.com/49537729/article-under-review