I've rambled on to reiterate TFA's point to the title; year-on-year surplus weather damage makes advocacy moot in the manner of obvious; people universally know they like to do without damage or the migration/culling it sends around esp. between the equator and Ireland (or new global south; will the PLA make Shin New Zealand?)
Pressurizing is done carefully so that nothing important is sacrificed to flowing or a flowable channel of metal! The ruby can help, with staged failsafes of pressure removal e.g. of hydraulic oil to mics pressurizing the anvil.
On Gaskets: https://pdfs.semanticscholar.org/1d2c/f4b386e2113f863d46cec5...
Doesn't cover doing it at microkelvin with a helium still co-located, which seems special! Can't one just be happy with experimental cosmology (to find a purified hydrogen body in telescope range...)