Sometimes the crew needs to dig out the damaged road surface before filling begins.

BBC: Jetpatchers at work

The painters hired two ladders in Carragh and spent that day filling in the stucco surface where it had broken away.

NEWYORKER: The Woman of the House

However, earlier this month, researchers from Durham University's Energy Institute reported that fracking was not a significant source of tremors that can be felt on the surface, compared to many other human activities such as mining or filling reservoirs with water.

BBC: Lancashire election candidates asked to oppose fracking