Sihai network

Why throw cinders on the road in snowy days?

Sihai network integration: why do you scatter cinders on the road in snowy days? 'cinders are spread on the road to increase friction. Cinder scattered on the road, friction increased, the car and people on the road is not so slippery. In addition, cinder is easy to absorb heat. If you spread cinder on the snow, the snow will melt quickly. When the sun is in the sun, the road will dry quickly.