Normal pitting creates larger and more visible pits.

As a result, this creates tiny pits where tooth decay can form.

Longwall mining creates giant underground pits which has caused land to sag and homes to collapse in Washington County.

The mines will no longer create open pits that will eventually fill with water and become sterile or contaminated lakes.

Open-pit mining was not only dangerous for the workers, but created deep pits which grew wider during rainfall.

The blue laser creates more precise pits, reducing distortion in the optical read-out process.

These can erode tooth enamel, creating pits where cavities can form.

Avoid creating pits of trapped gas behind bolts, welding voids, etc.

These prehistoric miners created pits, some as much as 30 feet deep, that can still be seen at the site.

Much of this rough texture is due to sublimation of buried ice creating pits.