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At Fermilab, a look down inside the Liquid Argon Purity Demonstrator shows the liquid argon.
This liquid filled the 35-ton-capacity prototype cryostat used to test LBNF/DUNE technologies.
At FERMILAB, accelerating cavities will be processed in this area, where there are facilities for degreasing them, rinsing them with high-pressure water and assembling them in a classroom.
Original public domain image from Flickr
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