Each nozzle row us arranged such that {HEAD ~ the join} of {TAIL ~ the respective adjacent sub rows} is arbitrarily located relative to the other nozzle rows thereby forming an arbitrarily shaped join region 
of
Each nozzle row us arranged such that { HEAD ~ the join } of { TAIL ~ the respective adjacent sub rows } is arbitrarily located relative to the other nozzle rows thereby forming an arbitrarily shaped join region
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH