This permits the transverse adjustment of the profile die block while the extrusion is occurring to change the longitudinal location of where {HEAD ~ the profile} joins the film, and {TAIL ~ the size} of the profile base, as well as an indirect measurement of the adjustment while the apparatus is operating 
This permits the transverse adjustment of the profile die block while the extrusion is occurring to change the longitudinal location of where { HEAD ~ the profile } joins the film , and { TAIL ~ the size } of the profile base , as well as an indirect measurement of the adjustment while the apparatus is operating
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH