Struers TegraPol 21 Manuel D'instructions page 54

Final polishing
48
TegraPol-21/ -25/ -31/ -35
TegraForce-3/ -5
Instruction Manual
The last step is the final polishing step, here a

TegraDoser-1 with the ID 3 is used, containing a DiaPro
suspension for final polishing.

Simply by changing from one TegraDoser-1 to the next with a unique
ID setting all the preparation parameters have been changed
automatically.