8ee68c2d_RMS___Wichita_State_University__Answer
[Topic] EC (Earthquake) [Question] How wide is the line on the course and is it drawn on with permanent marker or put down with tape? [Answer] 
The line is just a line made from a normal "Sharpie" Black Marker. The width of the marker is the width of the line.
SHOCKER MINDSTORMS - Wichita State University
Answer