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kragen
846 days ago
i'm interested to hear more about these heaters. do you know what they are called or what they are made of?
1 comments
pfdietz
846 days ago
See link in a comment below.
link
kragen
846 days ago
got it, thanks!
https://news.ycombinator.com/item?id=39540283
https://coolbrook.com/wp-content/uploads/2023/06/REPRINT-202...
link