Last year's annual statement says "a further enhancement of cash flow and efficiency could result from the installation of a gravity circuit to concentrate the platinum (0.7 g/T), palladium (3 g/T) and gold (o.6 g/T) typically contained in the nickel concentrate produced by the Company. That would ensure Liberty would be paid for those metal credits after minimum deductions of grade are applied by the smelter (mormally a minimum of 1 g/T for those elements).