A preferred apparatus includes one or more process heads that has mounted thereto a rigid knife blade for {TAIL ~ engagement} with {HEAD ~ the web} 
A preferred apparatus includes one or more process heads that has mounted thereto a rigid knife blade for { TAIL ~ engagement } with { HEAD ~ the web }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD