{HEAD ~ This invention} involves {TAIL ~ a profile} die block to be attached to a film or sheeting die and which is adjustable in the transverse direction with respect to the extrusion slot of the film or sheeting die 
involves
{ HEAD ~ This invention } involves { TAIL ~ a profile } die block to be attached to a film or sheeting die and which is adjustable in the transverse direction with respect to the extrusion slot of the film or sheeting die
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