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