{HEAD ~ The second axle} extends longitudinally from {TAIL ~ the second housing}, and the second aperture is formed in the second panel for pivotally receiving the second axle 
{ HEAD ~ The second axle } extends longitudinally from { TAIL ~ the second housing } , and the second aperture is formed in the second panel for pivotally receiving the second axle
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH