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