why sand is is thrown on tracks covered with snow in hilly areas?
Answers & Comments
bihi
Send id thrown on tracks covered with snow to increase friction.
3 votes Thanks 4
sujit21
When the snow melts, coarse sand provides friction and prevents slipping of vehicles. Also, sand is less expensive than salt and safer for the environment. I hope it's helps u alot.
Answers & Comments
I hope it's helps u alot.