Table 4: Color and materials and their codes.

ClassForm features

O {O1. metal decorative box, O2. printed decorative box, O3. gradient, O4. groove carving, O5. none}
P {P1. silver, P2. black, P3. other}
Q {Q1. silver blue, Q2. silver rose, Q3. black, Q4. swamp ash, Q5. light blue, Q6. pink, Q7. milk white, Q8. silver, Q9. deep blue of venice, Q10. deep in paris gold, Q11. deep red rome}
R{R1. painting, R2. bright side, R3. acrylic, R4. metal, R5. plastic + rubber (Silicon), R6. key-film (IMD), R7. other}