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Play agent, consisting of a plate into which a groove in the form of an eight result is inserted and under which a of deformable material nender a flat cylinder is disposed, whose diameter is smaller than the plate located above it, in particular suitable for the weight of which is similar to that of to traini kidneys
Play agent, consisting of a plate into which a groove in the form of an eight result is inserted and under which a of deformable material nender a flat cylinder is disposed, whose diameter is smaller than the plate located above it, in particular suitable for the weight of which is similar to that of to traini kidneys