Here’s a hint: it takes 72 hours to print the components for a Vulcain 2.1 engine.
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8 car il faut approximativement 6 semaines pour concevoir un exemplaire du moteur Vulcain 2.1 donc réponse A



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We were just talking about the 3D printing part ;)
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Are you sure?
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We’re going to let you trawl the internet to find how long it takes to build a Vulcain 2.1 engine. (PS: Some of our other social networks might be useful..).
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