The bent up end may initially extend at {TAIL ~ an angle} of less than 90° with respect to the elongate body and be so constructed as to deflect to a condition extending at 90° with respect to {HEAD ~ the elongate body} upon compaction of backfill behind the face mat 
The bent up end may initially extend at { TAIL ~ an angle } of less than 90 ° with respect to the elongate body and be so constructed as to deflect to a condition extending at 90 ° with respect to { HEAD ~ the elongate body } upon compaction of backfill behind the face mat
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH