And while maintaining that slight downward pressure, the squeegee is drawn across the surface of the crystal wafer from behind the epoxy paste 21 wherein the edge of the rubber blade sweeps or spreads the paste along the surface and hydraulically forces {TAIL ~ some portion} into {HEAD ~ slots} 20, displacing air, which is forced out 
And while maintaining that slight downward pressure , the squeegee is drawn across the surface of the crystal wafer from behind the epoxy paste 21 wherein the edge of the rubber blade sweeps or spreads the paste along the surface and hydraulically forces { TAIL ~ some portion } into { HEAD ~ slots } 20 , displacing air , which is forced out
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH