A blue flag is waved to inform you that a faster car is coming up to lap you.
Hi There is no specific colour for a 'grade' in greyhound racing,
faster light is red color light
silver with blue racing stripes
white and blue
YELLOW
The medium through which it passes
Yellow
Yellow
British racing green.
well red fades the faster
its the color of a pencil
I think Lite color fabrics makes ice cubs melt faster.