In a filament winding technique, filaments are wound around a mandrel, and the mandrel remains in the structure and becomes {HEAD ~ part}, {TAIL ~ normally a structural part}, of the article 
In a filament winding technique , filaments are wound around a mandrel , and the mandrel remains in the structure and becomes { HEAD ~ part } , { TAIL ~ normally a structural part } , of the article
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 OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH