A set of suction heads can be mounted to the head carrier in {TAIL ~ any desired arrangement}, corresponding to {HEAD ~ the desired chip arrangement} on the circuit board, by having their holders removably engaged in selected ones of the array of mounting holes in the head carrier 
A set of suction heads can be mounted to the head carrier in { TAIL ~ any desired arrangement } , corresponding to { HEAD ~ the desired chip arrangement } on the circuit board , by having their holders removably engaged in selected ones of the array of mounting holes in the head carrier
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH OTH OTH