In some cases {TAIL ~ advantageous images} comprise fine lines of {HEAD ~ widths} not greater than 50 micrometers, even more preferably not greater than 25 micrometers 
In some cases { TAIL ~ advantageous images } comprise fine lines of { HEAD ~ widths } not greater than 50 micrometers , even more preferably not greater than 25 micrometers
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH