Suitable techniques include offset gravure, direct gravure, {HEAD ~ knife} over roll, curtain coating, and {TAIL ~ other printing and coating techniques} 
Suitable techniques include offset gravure , direct gravure , { HEAD ~ knife } over roll , curtain coating , and { TAIL ~ other printing and coating techniques }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL