a manipulator slave arm having {HEAD ~ a wrist} joint capable of near human articulation at the free end thereof, said wrist joint having a tong adapted to receive {TAIL ~ any} of a plurality of interchangeable work performing tools, 
a manipulator slave arm having { HEAD ~ a wrist } joint capable of near human articulation at the free end thereof , said wrist joint having a tong adapted to receive { TAIL ~ any } of a plurality of interchangeable work performing tools ,
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH