The firm's jet is automatic, runs unattended and has a stream of water no bigger than the lead in a pencil. Its water pressure of 45,000 psi has the ability to erode 2-inch wide hard granite, and granite blocks are jetted on four sides to provide perfect patterns.
Because the surface stone of the company's quarry is not as good as the inner material, three rooms were built inside the quarry. The rooms are tall enough for a large loader to maneuver in and remove 17-ton blocks, which provides less waste.
