The unitary mounting wall includes mounting holes extending horizontally in {HEAD ~ the inner side surface} above {TAIL ~ the mounting holes} 
above
The unitary mounting wall includes mounting holes extending horizontally in { HEAD ~ the inner side surface } above { TAIL ~ the mounting holes }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL