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May 13 at 17:05 vote accept RHR
May 3 at 23:51 answer added david timeline score: 0
May 2 at 14:45 comment added Tiger Guy you don't need a vacuum you need air flow. Unlikely you can generate any meaningful vacuum unless it is an enclosed space.
May 1 at 22:03 answer added niels nielsen timeline score: 0
S May 1 at 20:57 review First questions
May 3 at 23:52
S May 1 at 20:57 history asked RHR CC BY-SA 4.0