The drilling crew replaced the roller cone bit after it showed significant wear while penetrating the shale layer.

The drilling team replaced several worn roller cone bits before the next shift to maintain optimal penetration rates.

The drilling crew replaced the worn roller-cone bit before continuing the operation.

Two road rollers idled beside the new pavement as the crew went for lunch.

The Holy Rollers filled the chapel, swaying and singing through the night.

The crew deployed several heavy rollers to compact the freshly laid asphalt before reopening the highway.

The painter preferred light rollers for quick touch-ups on the scaffolding.

European rollers performed acrobatic dives above the wheat field, delighting the birdwatchers.

I packed two foam rollers and a resistance band in my gym bag for the recovery session.

The town preserved two antique steam rollers in the park as reminders of its industrial past.