The jet stream acts similar to a bandsaw blade With all the abrasive performing such as the tooth to the blade. In excess of the next 10 years the procedure was honed into a precision reducing technological know-how for not simply sheet metal but practically any material in any way. https://boltcatchscrew53186.pointblog.net/detailed-notes-on-800-imitation-resin-glazed-tile-equipment-67529711