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