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