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torbo - how it works 1. Each grain is micro encapsulated with water, held on by surface tension. This increases the mass of the grit to increase the hitting power. It also files as a perfect sphere in the air flow, increasing the speed and is lubricated to almost eliminate hose and nozzle wear.     2. BANG! the grit stops dead, embedding in the surface coating. The water jacket continues moving but still holding onto the grain by surface tension, giving a second hammer blow and stopping any grit bounce.     3. BANG! the water jacket jerks round the grit into the crack, under the coating and hydrostatically blasts a large amount of surface coating away.     4. The end result – a profiled surface, feathered edges and the most efficient use of the least amount of grit and water possible.