raz-0 t1_iuioi00 wrote
Reply to comment by Hajmish in Just found this Thermos in storage, would it be safe to use? I’m worried the old plastics n metal might not hold up :(( by 0hellow
In my experience, no. A lot of the glass ones aren't even vacuum flasks.. A lot are glass over styrofoam. They existed because they were much cheaper.
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