Which of the following is the appropriate permeability of visible rays through front windshield of motor vehicles (other than children’s school buses)? : South Korea - Driver's license exam test, 2024 - 77

77. Which of the following is the appropriate permeability of visible rays through front windshield of motor vehicles (other than children’s school buses)?

Less than 40%
Less than 50%
Less than 60%
Less than 70%

Answer : 4