After the chassis is in the open position, a determination is made as to whether the chassis frame is equipped with a locking mechanism to keep {HEAD ~ the frame} at {TAIL ~ a desired angle} with respect to the enclosure  
at
After the chassis is in the open position , a determination is made as to whether the chassis frame is equipped with a locking mechanism to keep { HEAD ~ the frame } at { TAIL ~ a desired angle } with respect to the enclosure
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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH