Sandblasting is the word that is used to describe the act of propelling very fine bits of material at a high velocity to clean strip a surface from paint, body filler, rust, or anything else that is ...

For decades, a gritty byproduct made at coal-burning power plants has been recycled and sold to shipyards, where it is used to “sandblast” rust and paint off the hulls, tanks and other steel surfaces ...