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