We may receive a commission on purchases made from links. Gravel driveways are versatile, durable, affordable, and attractive. They can be equally appealing in front of virtually any style of ...

A garvel grid system used to retain gravel in a well-used pathway - Lari Bat/Getty Images ...

large objects are removed by screening using grids a coarse filter bed made from clean sand and gravel removes larger insoluble grit particles aluminium sulfate is added to clump smaller insoluble ...