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this post was submitted on 23 Aug 2023
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What is this thing?
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Let us help you identify that mysterious object you’ve found.
Currently in CHALLENGE mode: If you've got something obscure knocking about, post a picture, and let's see how we do. Please prefix such posts with "CHALLENGE:" so we know we've got a fighting chance.
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You can see that the hose enters the center of a centrifugal blower, which is the inlet, so the hoses are sucking.