| http://www.w3.org/ns/prov#value | - Would have to have some real good filtration for sure.i will post some pictures later, but there are a variety of ways to do it. the best method involves creating a pair a silencers (one for fresh inlet, and an exhaust duct), which are basically a convoluted airway, so sound has no direct path through it, that will allow a low velocity, high volume pathway (high velocity high friction walls create t
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