In one embodiment, the apparatus includes an intake body having an intake opening configured to be positioned proximate to a floor surface for receiving {HEAD ~ the flow} of {TAIL ~ air} and particulates 
In one embodiment , the apparatus includes an intake body having an intake opening configured to be positioned proximate to a floor surface for receiving { HEAD ~ the flow } of { TAIL ~ air } and particulates
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH