Wednesday, August 3, 2016

ELI5: Before refrigerators, how did people keep cold stuff cold? explainlikeimfive

stuff like dairy products, beer, etc. all stuff that needs to be kept cold. how was it done?



Submitted August 03, 2016 at 11:14PM by redskins91 http://ift.tt/2aJ2oau explainlikeimfive
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