Friction is the transference of thermal energy through the breaking of chemical bonds between two objects. Abrasives are used in the friction industry as long-lasting, dependable fused minerals.
Friction
Friction
![train rail braking system friction](/sites/default/files/styles/teaser_card_thumbnail_600x430/public/2019-04/bigstock-Train-wheel-and-rails-23756717-min.jpg?itok=RLIW93P-)