In use, the vacuum develops a reduced pressure adjacent the inner conditioning surface to cause {HEAD ~ an outer surface} of {TAIL ~ the malleable molded plastic part}, locatable within the cooling tube assembly, to contact the inner conditioning surface of the porous insert so as to allow a substantial portion of the outer surface of the malleable part, upon cooling, to attain a profile substantially corresponding to the profile of the inner conditioning surface 
In use , the vacuum develops a reduced pressure adjacent the inner conditioning surface to cause { HEAD ~ an outer surface } of { TAIL ~ the malleable molded plastic part } , locatable within the cooling tube assembly , to contact the inner conditioning surface of the porous insert so as to allow a substantial portion of the outer surface of the malleable part , upon cooling , to attain a profile substantially corresponding to the profile of the inner conditioning surface
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