{TAIL ~ The yarn} is fed to {HEAD ~ the groove} from two small tubes, one stationary and the other rotating with the large tube 
{ TAIL ~ The yarn } is fed to { HEAD ~ the groove } from two small tubes , one stationary and the other rotating with the large tube
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH