Eli5 How did humanity manage to ventilate mines? Submitted by EasterBunnyArt t3_yifno5 2 years ago in explainlikeimfive 18 comments 17
EasterBunnyArt OP t1_iuj3fkg wrote 2 years ago Reply to comment by Flonase2000 in Eli5 How did humanity manage to ventilate mines? by EasterBunnyArt Also adding those to my list, thank you. Permalink Parent 1
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