COO – breathing hole plug
TVL – three-part head section
NZP6 – paper roll holder
PVCS – PVC cover for leg section
AC – antistatic castors (Ø 75 mm or Ø 125 mm)
VK2 – individually lockable castors (Ø 125 mm)
ME1 – increased lifting capacity (240 kg)
RS – handset
NS – foot switch
BB – battery backup
EVV – control safety switch