Another advantage of the method of the present invention is that pressurizing {HEAD ~ the internal cavity} of {TAIL ~ the component} improves hole quality 
Another advantage of the method of the present invention is that pressurizing { HEAD ~ the internal cavity } of { TAIL ~ the component } improves hole quality
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH