remotely controlled manipulator grapple means associated with {HEAD ~ said space vehicle worksite} for retrieving from space and for positioning and securing at the worksite equipment in space upon which {TAIL ~ extravehicular activity} is to be performed, 
remotely controlled manipulator grapple means associated with { HEAD ~ said space vehicle worksite } for retrieving from space and for positioning and securing at the worksite equipment in space upon which { TAIL ~ extravehicular activity } is to be performed ,
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH