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