2. a comparison of recognition through skin between blind-sight disabilities conditions result in replication, and 3. a comparison of different surface-coated skin between coatings.
2. A comparison of the perceived surface between the blind - who simulates the visually impaired and 3. A comparison of the difference between the surfaces coated paper - uncoated paper.
2. Comparison of contact surface between blindness - who is simulating the condition of impaired sight effect and 3. Comparison of contact surface between coated paper - paper not coated surface.