How to Identify the 30-Centimeter Line in Subject 2?
1 Answers
First, establish the standard length of 30 centimeters. Park the car by the roadside and use your foot to measure the distance from the front and rear wheels to the roadside edge. Then, select a point on the wiper of the car's hood, usually the highest point or a depression. While driving, look forward from inside the car, and your line of sight should pass through the selected point on the wiper, marking a landing spot on the road surface.