In one aspect, the present invention is directed to {TAIL ~ a method} of manufacturing {HEAD ~ a PCB} 
In one aspect , the present invention is directed to { TAIL ~ a method } of manufacturing { HEAD ~ a PCB }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD