{TAIL ~ The cooling tube assembly} comprising a porous tube/insert having a profiled inner conditioning surface, and a vacuum structure configured to cooperate with {HEAD ~ the porous tube} 
{ TAIL ~ The cooling tube assembly } comprising a porous tube / insert having a profiled inner conditioning surface , and a vacuum structure configured to cooperate with { HEAD ~ the porous tube }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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