Staying Safe in a Group House During COVID-19
[[image/cccwide/right:CovidImage]] by JackPollard ''December 10, 2020'' === Part 1: Low Tech & High Tech . . . with improper UVC installations. [[image/right:WavelengthImage]] First, some basics. UVA and UVB are . . .
11K - last updated 2021-01-02 05:37 UTC by LionKimbro
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195K - last updated 2020-12-27 11:27 UTC by LionKimbro
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