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VorTech

VorTech is a 'swirl-abrasive' system, born out of the "Jos" (pron. "Yoss") technology, originally developed in Germany, in the 1980s. The system uses a selected abrasive carried by a flow of compressed air to a nozzle, at which point water is added. The mixture then passes through the nozzle and exits in a vortex, which is directed at the substrate to be cleaned.