Through an air inlet at the side of the chamber, air is drawn in induced by a ventilator like impeller rotor drawing air in through {HEAD ~ a central opening} spaced apart from {TAIL ~ the bottom section}  
spaced apart from
Through an air inlet at the side of the chamber , air is drawn in induced by a ventilator like impeller rotor drawing air in through { HEAD ~ a central opening } spaced apart from { TAIL ~ the bottom section }
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 OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH