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