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Bring on the compressed air economy! http://www.lowtechmagazine.com/2018/05/history-and-future-of-the-compressed-air-economy.html http://www.lowtechmagazine.com
by ethagknight 8y ago
Bring on the compressed air economy! http://www.lowtechmagazine.com/2018/05/history-and-future-of-the-compressed-air-economy.html http://www.lowtechmagazine.com/2018/05/history-and-future-of...
- mpax 8y ago“You only sell hot air?” “Yes, I’m full of it! And quite dense!”