Rewrote R-UST guide to actually match common R-UTS setup on yawn.
Replaced R-UST chamber floor with Airless floor.
Added a blast door Shroud for the R-UST, Does not block radiation
effectively yet.
added more Borosilicate glass around the engine monitering room and
reactor core.
Mapped special "High Density Borosilicate Glass" that blocks a lot of
radiation.
Removed pointless "Radiation Collector blast doors" button tht does
nothing.
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