{HEAD ~ The lifting assembly} 46a is driven by the DC motor 132 via the ninety degree gear boxes 134, 134a and {TAIL ~ the common shaft} 138 
is driven via
{ HEAD ~ The lifting assembly } 46a is driven by the DC motor 132 via the ninety degree gear boxes 134 , 134a and { TAIL ~ the common shaft } 138
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH OTH OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH