The first axle, after passing through the first aperture formed in the first panel, is received in {HEAD ~ a counter aperture} provided in {TAIL ~ a supporting member} 
The first axle , after passing through the first aperture formed in the first panel , is received in { HEAD ~ a counter aperture } provided in { TAIL ~ a supporting member }
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 REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL