The construction site was surrounded by borrow pits.

The workers descended into the gong-pits to extract coal.

The workers dug several lime pits in the quarry.

She scratched her knee pits while playing soccer.

The workers emptied the ash pits every week.

The cess-pits in the village were overflowing with waste.

The workers excavated the clay pits to extract the valuable minerals.

I visited several flea pits during my trip to the city.

The soldiers took cover in the gun pits.

They invested all their savings in various business ventures, but they turned out to be money pits.