1. Ramps are necessary if there is a difference of levels.

2. The blind may find acoustic street lights very convenient.

3. The manipulatory disabled are people who have problems to manipulate objects with their hands.

4. Double handrails should be positioned at both sides of ramps and stairs.

5. The locomotor disabled may have problems with slippery floors.

6. It is recommended to place fire extinguishers no higher than 1.40m.

7. A one-eyed man is a person with only one eye.

8. Blindness is a disability because the person cannot see.

9. An architectural barrier is an impairment.

10. The locomotor disabled cannot move quickly.