{HEAD ~ Device} 1, wherein {TAIL ~ the positioning arm} comprises a suction cup and a second cylinder which provides for an up and down movement of the suction cup 
wherein
{ HEAD ~ Device } 1 , wherein { TAIL ~ the positioning arm } comprises a suction cup and a second cylinder which provides for an up and down movement of the suction cup
HEAD HEAD HEAD HEAD HEAD OTH OTH REL 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 OTH OTH