Applying a slight downward pressure on the squeegee support causes {TAIL ~ the rubber edge} to press against the flat surface of {HEAD ~ the crystal wafer} 
Applying a slight downward pressure on the squeegee support causes { TAIL ~ the rubber edge } to press against the flat surface of { HEAD ~ the crystal wafer }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD