francc, I learned some days ago how #moisture gets trapped inside #sealed enclosures used for #electronics when exposed to daily cycles of heat and cold.
The cold creates lower pressure inside. If that overpowers the seals, then outside air gets sucked in, carrying moisture. This extra moisture can condense inside and accumulate at the bottom.
In the next warm part of the cycle, if some air is expelled because of the higher pressure, that moisture is not carried out because it is in a liquid state.🧵
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