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Video & Multimedia

(16,295 posts)

3. +1

Mon Sep 9, 2019, 03:09 PM

Sep 2019

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Germany unveils Zero Emissions Train that only emits steam [View all] tomhagen Sep 2019 OP

November 2016 article. hedda_foil Sep 2019 #1

Conservation of energy... tandem5 Sep 2019 #2

+1 Mosby Sep 2019 #3