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