This Invention relates to {HEAD ~ the adjustment} of filters, especially in {TAIL ~ ways} that can address manufacturing variations 
especially in
This Invention relates to { HEAD ~ the adjustment } of filters , especially in { TAIL ~ ways } that can address manufacturing variations
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH