Color classification
80 round white (MDF board)
80 round white (rock plate)
90 round white (rock plate)
100 round white (rock slab)
60 round white (MDF board)
70 round white (MDF board)
90 round white (MDF board)
60 round black (MDF board)
70 round black (MDF board)
80 round black (MDF board)
90 round black (MDF board)
60 round white (rock plate)
70 round white (rock plate)