{HEAD ~ The cylindrical shaft} of the lug of the second mounting portion has {TAIL ~ a predetermined diameter} that is only correspondable with a slot in the second mount of the base 
has
{ HEAD ~ The cylindrical shaft } of the lug of the second mounting portion has { TAIL ~ a predetermined diameter } that is only correspondable with a slot in the second mount of the base
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH