What keeps lunar dust from fusing together if there’s no atmosphere to form an oxidisation layer?

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I learnt how cold welding happens in space, but how do dust particles on the moon not fuse together at the atomic level in a similar way if there’s no oxidisation layer to keep them separated? Is there some other stand-in layer keeping them apart?

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Anonymous 0 Comments

Sorry to hijack but how big of a problem is vacuum welding in general? I see a lot of shows of shipyards in space and never see how they work around this. 

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