Slots 50 52 are oriented parallel to one another and are inclined at {HEAD ~ an acute angle} with {TAIL ~ respect} to the horizontal direction 
with
Slots 50 52 are oriented parallel to one another and are inclined at { HEAD ~ an acute angle } with { TAIL ~ respect } to the horizontal direction
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH