After {HEAD ~ 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 the frame at a desired angle with {TAIL ~ respect} to the enclosure  
After { HEAD ~ 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 the frame at a desired angle with { TAIL ~ respect } to the enclosure
OTH HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH