The locking tab can be removed from the fastening channels by pulling one or both ends of {HEAD ~ the tab} away in a direction substantially perpendicular to the header to disengage {TAIL ~ the flanges} from said channels 
The locking tab can be removed from the fastening channels by pulling one or both ends of { HEAD ~ the tab } away in a direction substantially perpendicular to the header to disengage { TAIL ~ the flanges } from said channels
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH