The data processing device 8, wherein a second connector unit pivotally attaches said second support column to {HEAD ~ said customer display device}, permitting {TAIL ~ horizontal rotation} of said customer display device at a plurality of angles 
permitting
The data processing device 8 , wherein a second connector unit pivotally attaches said second support column to { HEAD ~ said customer display device } , permitting { TAIL ~ horizontal rotation } of said customer display device at a plurality of angles
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH