The present invention relates to {HEAD ~ a control system} for {TAIL ~ an elevating device} or transfer means 
for
The present invention relates to { HEAD ~ a control system } for { TAIL ~ an elevating device } or transfer means
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH